diff --git a/templates/tools/dockerfile/apt_get_basic.include b/templates/tools/dockerfile/apt_get_basic.include
new file mode 100644
index 0000000000000000000000000000000000000000..9237e7dacef6bf786c53de2650e1a753c11b2584
--- /dev/null
+++ b/templates/tools/dockerfile/apt_get_basic.include
@@ -0,0 +1,33 @@
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y ${'\\'}
+  autoconf ${'\\'}
+  autotools-dev ${'\\'}
+  build-essential ${'\\'}
+  bzip2 ${'\\'}
+  ccache ${'\\'}
+  curl ${'\\'}
+  gcc ${'\\'}
+  gcc-multilib ${'\\'}
+  git ${'\\'}
+  golang ${'\\'}
+  gyp ${'\\'}
+  lcov ${'\\'}
+  libc6 ${'\\'}
+  libc6-dbg ${'\\'}
+  libc6-dev ${'\\'}
+  libgtest-dev ${'\\'}
+  libtool ${'\\'}
+  make ${'\\'}
+  perl ${'\\'}
+  strace ${'\\'}
+  python-dev ${'\\'}
+  python-setuptools ${'\\'}
+  python-yaml ${'\\'}
+  telnet ${'\\'}
+  unzip ${'\\'}
+  wget ${'\\'}
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
diff --git a/templates/tools/dockerfile/ccache_setup.include b/templates/tools/dockerfile/ccache_setup.include
new file mode 100644
index 0000000000000000000000000000000000000000..2a2de7fdaba41cf15861ef842a7a7d44163e2c0e
--- /dev/null
+++ b/templates/tools/dockerfile/ccache_setup.include
@@ -0,0 +1,7 @@
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
diff --git a/templates/tools/dockerfile/csharp_deps.include b/templates/tools/dockerfile/csharp_deps.include
new file mode 100644
index 0000000000000000000000000000000000000000..489dc44a43622c2abb8b433223fbeb8525c72fee
--- /dev/null
+++ b/templates/tools/dockerfile/csharp_deps.include
@@ -0,0 +1,16 @@
+#================
+# C# dependencies
+
+# Update to a newer version of mono
+RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy main" | tee /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libtiff-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
+
+# Install dependencies
+RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y ${'\\'}
+    mono-devel ${'\\'}
+    ca-certificates-mono ${'\\'}
+    nuget ${'\\'}
+    && apt-get clean
diff --git a/templates/tools/dockerfile/cxx_deps.include b/templates/tools/dockerfile/cxx_deps.include
new file mode 100644
index 0000000000000000000000000000000000000000..14831c19e8a42476bd89674a024e7163d45d0ae5
--- /dev/null
+++ b/templates/tools/dockerfile/cxx_deps.include
@@ -0,0 +1,3 @@
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
diff --git a/templates/tools/dockerfile/node_deps.include b/templates/tools/dockerfile/node_deps.include
new file mode 100644
index 0000000000000000000000000000000000000000..7d37d671467cfc78df9b0e9a960f3445b873c923
--- /dev/null
+++ b/templates/tools/dockerfile/node_deps.include
@@ -0,0 +1,7 @@
+#==================
+# Node dependencies
+
+# Install nvm
+RUN touch .profile
+RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+RUN /bin/bash -l -c "nvm install 0.12 && npm config set cache /tmp/npm-cache"
diff --git a/templates/tools/dockerfile/php_deps.include b/templates/tools/dockerfile/php_deps.include
new file mode 100644
index 0000000000000000000000000000000000000000..739049b5ea0c45727a3068f5d5fe1424f1c83bbe
--- /dev/null
+++ b/templates/tools/dockerfile/php_deps.include
@@ -0,0 +1,13 @@
+#=================
+# PHP dependencies
+
+# Install dependencies
+
+RUN /bin/bash -l -c "echo 'deb http://packages.dotdeb.org wheezy-php55 all' ${'\\'}
+    >> /etc/apt/sources.list.d/dotdeb.list"
+RUN /bin/bash -l -c "echo 'deb-src http://packages.dotdeb.org wheezy-php55 all' ${'\\'}
+    >> /etc/apt/sources.list.d/dotdeb.list"
+RUN wget http://www.dotdeb.org/dotdeb.gpg -O- | apt-key add -
+
+RUN apt-get update && apt-get install -y ${'\\'}
+    git php5 php5-dev phpunit unzip
diff --git a/templates/tools/dockerfile/python_deps.include b/templates/tools/dockerfile/python_deps.include
new file mode 100644
index 0000000000000000000000000000000000000000..a559f96394c0f5ada6b390554ef4144f22e1a06c
--- /dev/null
+++ b/templates/tools/dockerfile/python_deps.include
@@ -0,0 +1,14 @@
+#====================
+# Python dependencies
+
+# Install dependencies
+
+RUN apt-get update && apt-get install -y ${'\\'}
+    python-all-dev ${'\\'}
+    python3-all-dev ${'\\'}
+    python-pip
+
+# Install Python packages from PyPI
+RUN pip install pip --upgrade
+RUN pip install virtualenv
+RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2 tox
diff --git a/templates/tools/dockerfile/ruby_deps.include b/templates/tools/dockerfile/ruby_deps.include
new file mode 100644
index 0000000000000000000000000000000000000000..a8ee3ec7dc6d831c3eec7d7dae3cc5489f9bd932
--- /dev/null
+++ b/templates/tools/dockerfile/ruby_deps.include
@@ -0,0 +1,14 @@
+#==================
+# Ruby dependencies
+
+# Install rvm
+RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
+RUN \curl -sSL https://get.rvm.io | bash -s stable
+
+# Install Ruby 2.1
+RUN /bin/bash -l -c "rvm install ruby-2.1"
+RUN /bin/bash -l -c "rvm use --default ruby-2.1"
+RUN /bin/bash -l -c "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc"
+RUN /bin/bash -l -c "echo 'export PATH=/usr/local/rvm/bin:$PATH' >> ~/.bashrc"
+RUN /bin/bash -l -c "echo 'rvm --default use ruby-2.1' >> ~/.bashrc"
+RUN /bin/bash -l -c "gem install bundler --no-ri --no-rdoc"
diff --git a/templates/tools/dockerfile/run_tests_addons.include b/templates/tools/dockerfile/run_tests_addons.include
new file mode 100644
index 0000000000000000000000000000000000000000..27ac67f5d8feeec3023090c99d06dd7c5870c5a7
--- /dev/null
+++ b/templates/tools/dockerfile/run_tests_addons.include
@@ -0,0 +1,7 @@
+<%include file="ccache_setup.include"/>
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
diff --git a/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..1c01deac3d4c96cc081427616580b539f6febbb2
--- /dev/null
+++ b/templates/tools/dockerfile/test/csharp_jessie_x64/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../csharp_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
diff --git a/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..842c534805059af06a760b130b8fd2c42400e2db
--- /dev/null
+++ b/templates/tools/dockerfile/test/cxx_jessie_x64/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template b/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..4e95cdd65eaa9de20460d6572272bbec231ce6b1
--- /dev/null
+++ b/templates/tools/dockerfile/test/cxx_jessie_x86/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM 32bit/debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../cxx_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..10551a574e38a938e1e3ea0c75a523d87984b41e
--- /dev/null
+++ b/templates/tools/dockerfile/test/node_jessie_x64/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../node_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..d7172398a9ed5750234ebdc1276580a4c4b970e1
--- /dev/null
+++ b/templates/tools/dockerfile/test/php_jessie_x64/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../php_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..9e68b3ef9174cca980a10bcfea9614e2adafffa9
--- /dev/null
+++ b/templates/tools/dockerfile/test/python_jessie_x64/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../python_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template b/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..db777bebb440ef2e1894857383afae2dadc51408
--- /dev/null
+++ b/templates/tools/dockerfile/test/ruby_jessie_x64/Dockerfile.template
@@ -0,0 +1,39 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  <%include file="../../ruby_deps.include"/>
+  <%include file="../../run_tests_addons.include"/>
+  # Define the default command.
+  CMD ["bash"]
+  
\ No newline at end of file
diff --git a/templates/tools/dockerfile/test/sanity/Dockerfile.template b/templates/tools/dockerfile/test/sanity/Dockerfile.template
new file mode 100644
index 0000000000000000000000000000000000000000..bbdb8485996b3161a1d995af05b70a8777489dfb
--- /dev/null
+++ b/templates/tools/dockerfile/test/sanity/Dockerfile.template
@@ -0,0 +1,51 @@
+%YAML 1.2
+--- |
+  # Copyright 2015-2016, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  
+  FROM debian:jessie
+  
+  <%include file="../../apt_get_basic.include"/>
+  #========================
+  # Sanity test dependencies
+  RUN apt-get update && apt-get install -y python-pip
+  RUN pip install simplejson mako
+
+  #===================
+  # Docker "inception"
+  # Note this is quite the ugly hack.
+  # This makes sure that the docker binary we inject has its dependencies.
+  RUN curl https://get.docker.com/ | sh
+  RUN apt-get remove --purge -y docker-engine
+  
+  RUN mkdir /var/local/jenkins
+  
+  # Define the default command.
+  CMD ["bash"]
+  
diff --git a/tools/dockerfile/grpc_tests_multilang_x64/Dockerfile b/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
similarity index 60%
rename from tools/dockerfile/grpc_tests_multilang_x64/Dockerfile
rename to tools/dockerfile/test/csharp_jessie_x64/Dockerfile
index aa5fc5cf72a3a064bda2828eb1d8ec124837f048..0052de6130b7d83543ff8117d31873a318b4c5d1 100644
--- a/tools/dockerfile/grpc_tests_multilang_x64/Dockerfile
+++ b/tools/dockerfile/test/csharp_jessie_x64/Dockerfile
@@ -27,8 +27,6 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# Dockerfile for running gRPC test suites inside a docker container.
-
 FROM debian:jessie
 
 # Install Git and basic packages.
@@ -61,19 +59,11 @@ RUN apt-get update && apt-get install -y \
   wget \
   zip && apt-get clean
 
-# Prepare ccache
-RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
-RUN ln -s /usr/bin/ccache /usr/local/bin/g++
-RUN ln -s /usr/bin/ccache /usr/local/bin/cc
-RUN ln -s /usr/bin/ccache /usr/local/bin/c++
-RUN ln -s /usr/bin/ccache /usr/local/bin/clang
-RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
-
-##################
-# C++ dependencies
-RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
 
-#################
+#================
 # C# dependencies
 
 # Update to a newer version of mono
@@ -86,77 +76,23 @@ RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libtiff-compat
 # Install dependencies
 RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
     mono-devel \
-    nunit \
-    nunit-console \
-    monodevelop
-
-# Download NuGet
-RUN cd /var/local && wget www.nuget.org/NuGet.exe
-ENV NUGET mono /var/local/NuGet.exe
-
-##################
-# Node dependencies
-
-# Install nvm
-RUN touch .profile
-RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
-RUN /bin/bash -l -c "nvm install 0.12 && npm config set cache /tmp/npm-cache"
-
-##################
-# Ruby dependencies
-
-# Install rvm
-RUN gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
-RUN \curl -sSL https://get.rvm.io | bash -s stable
-
-# Install Ruby 2.1
-RUN /bin/bash -l -c "rvm install ruby-2.1"
-RUN /bin/bash -l -c "rvm use --default ruby-2.1"
-RUN /bin/bash -l -c "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc"
-RUN /bin/bash -l -c "echo 'export PATH=/usr/local/rvm/bin:$PATH' >> ~/.bashrc"
-RUN /bin/bash -l -c "echo 'rvm --default use ruby-2.1' >> ~/.bashrc"
-RUN /bin/bash -l -c "gem install bundler --no-ri --no-rdoc"
-
-##################
-# Python dependencies
-
-# Install dependencies
+    ca-certificates-mono \
+    nuget \
+    && apt-get clean
 
-RUN apt-get update && apt-get install -y \
-    python-all-dev \
-    python3-all-dev \
-    python-pip
-
-# Install Python packages from PyPI
-RUN pip install pip --upgrade
-RUN pip install virtualenv
-RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2 tox
-
-# For sanity test
-RUN pip install simplejson mako
-
-##################
-# PHP dependencies
-
-# Install dependencies
-
-RUN /bin/bash -l -c "echo 'deb http://packages.dotdeb.org wheezy-php55 all' \
-    >> /etc/apt/sources.list.d/dotdeb.list"
-RUN /bin/bash -l -c "echo 'deb-src http://packages.dotdeb.org wheezy-php55 all' \
-    >> /etc/apt/sources.list.d/dotdeb.list"
-RUN wget http://www.dotdeb.org/dotdeb.gpg -O- | apt-key add -
-
-RUN apt-get update && apt-get install -y \
-    git php5 php5-dev phpunit unzip
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
 
-##################
+#======================
 # Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
 RUN apt-get install -y libzookeeper-mt-dev
 
-##################
-# Build profiling
-RUN apt-get install -y time
-
 RUN mkdir /var/local/jenkins
 
 # Define the default command.
diff --git a/tools/dockerfile/test/cxx_jessie_x64/Dockerfile b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..e3ed39dfe6c09901081d7f1ab345e4e87ca43b37
--- /dev/null
+++ b/tools/dockerfile/test/cxx_jessie_x64/Dockerfile
@@ -0,0 +1,86 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/cxx_jessie_x86/Dockerfile b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..9a8f2b1cca385742ab842e6dc679ffeffc6aa5d9
--- /dev/null
+++ b/tools/dockerfile/test/cxx_jessie_x86/Dockerfile
@@ -0,0 +1,86 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM 32bit/debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#=================
+# C++ dependencies
+RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang && apt-get clean
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/node_jessie_x64/Dockerfile b/tools/dockerfile/test/node_jessie_x64/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..0655bf7179e8c743d275bf8f7697da2c041dda7a
--- /dev/null
+++ b/tools/dockerfile/test/node_jessie_x64/Dockerfile
@@ -0,0 +1,90 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#==================
+# Node dependencies
+
+# Install nvm
+RUN touch .profile
+RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
+RUN /bin/bash -l -c "nvm install 0.12 && npm config set cache /tmp/npm-cache"
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/php_jessie_x64/Dockerfile b/tools/dockerfile/test/php_jessie_x64/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..43081e7d38ac3fbba4bdec28862d12a52d34e3e6
--- /dev/null
+++ b/tools/dockerfile/test/php_jessie_x64/Dockerfile
@@ -0,0 +1,96 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#=================
+# PHP dependencies
+
+# Install dependencies
+
+RUN /bin/bash -l -c "echo 'deb http://packages.dotdeb.org wheezy-php55 all' \
+    >> /etc/apt/sources.list.d/dotdeb.list"
+RUN /bin/bash -l -c "echo 'deb-src http://packages.dotdeb.org wheezy-php55 all' \
+    >> /etc/apt/sources.list.d/dotdeb.list"
+RUN wget http://www.dotdeb.org/dotdeb.gpg -O- | apt-key add -
+
+RUN apt-get update && apt-get install -y \
+    git php5 php5-dev phpunit unzip
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/test/python_jessie_x64/Dockerfile b/tools/dockerfile/test/python_jessie_x64/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..7ed8b4c085fbe8880e150828a59bb79652fd3e0b
--- /dev/null
+++ b/tools/dockerfile/test/python_jessie_x64/Dockerfile
@@ -0,0 +1,97 @@
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM debian:jessie
+
+# Install Git and basic packages.
+RUN apt-get update && apt-get install -y \
+  autoconf \
+  autotools-dev \
+  build-essential \
+  bzip2 \
+  ccache \
+  curl \
+  gcc \
+  gcc-multilib \
+  git \
+  golang \
+  gyp \
+  lcov \
+  libc6 \
+  libc6-dbg \
+  libc6-dev \
+  libgtest-dev \
+  libtool \
+  make \
+  perl \
+  strace \
+  python-dev \
+  python-setuptools \
+  python-yaml \
+  telnet \
+  unzip \
+  wget \
+  zip && apt-get clean
+
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#====================
+# Python dependencies
+
+# Install dependencies
+
+RUN apt-get update && apt-get install -y \
+    python-all-dev \
+    python3-all-dev \
+    python-pip
+
+# Install Python packages from PyPI
+RUN pip install pip --upgrade
+RUN pip install virtualenv
+RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2 tox
+
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
+
+#======================
+# Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
+RUN apt-get install -y libzookeeper-mt-dev
+
+RUN mkdir /var/local/jenkins
+
+# Define the default command.
+CMD ["bash"]
diff --git a/tools/dockerfile/grpc_tests_multilang_x86/Dockerfile b/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
similarity index 56%
rename from tools/dockerfile/grpc_tests_multilang_x86/Dockerfile
rename to tools/dockerfile/test/ruby_jessie_x64/Dockerfile
index 6e0dbd7d572ede74ea78f34e5ac4440b8d09fac2..91af772d72b644f25aee888e66c378242196dbf2 100644
--- a/tools/dockerfile/grpc_tests_multilang_x86/Dockerfile
+++ b/tools/dockerfile/test/ruby_jessie_x64/Dockerfile
@@ -27,9 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# Dockerfile for running gRPC test suites inside a docker container.
-
-FROM 32bit/debian:jessie
+FROM debian:jessie
 
 # Install Git and basic packages.
 RUN apt-get update && apt-get install -y \
@@ -61,48 +59,11 @@ RUN apt-get update && apt-get install -y \
   wget \
   zip && apt-get clean
 
-# Prepare ccache
-RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
-RUN ln -s /usr/bin/ccache /usr/local/bin/g++
-RUN ln -s /usr/bin/ccache /usr/local/bin/cc
-RUN ln -s /usr/bin/ccache /usr/local/bin/c++
-RUN ln -s /usr/bin/ccache /usr/local/bin/clang
-RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
-
-##################
-# C++ dependencies
-RUN apt-get update && apt-get -y install libgflags-dev libgtest-dev libc++-dev clang
-
-#################
-# C# dependencies
-
-# Update to a newer version of mono
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy main" | tee /etc/apt/sources.list.d/mono-xamarin.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-apache24-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libjpeg62-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
-RUN echo "deb http://download.mono-project.com/repo/debian wheezy-libtiff-compat main" | tee -a /etc/apt/sources.list.d/mono-xamarin.list
-
-# Install dependencies
-RUN apt-get update && apt-get -y dist-upgrade && apt-get install -y \
-    mono-devel \
-    nunit \
-    nunit-console \
-    monodevelop
-
-# Download NuGet
-RUN cd /var/local && wget www.nuget.org/NuGet.exe
-ENV NUGET mono /var/local/NuGet.exe
-
-##################
-# Node dependencies
-
-# Install nvm
-RUN touch .profile
-RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
-RUN /bin/bash -l -c "nvm install 0.12 && npm config set cache /tmp/npm-cache"
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
 
-##################
+#==================
 # Ruby dependencies
 
 # Install rvm
@@ -117,45 +78,19 @@ RUN /bin/bash -l -c "echo 'export PATH=/usr/local/rvm/bin:$PATH' >> ~/.bashrc"
 RUN /bin/bash -l -c "echo 'rvm --default use ruby-2.1' >> ~/.bashrc"
 RUN /bin/bash -l -c "gem install bundler --no-ri --no-rdoc"
 
-##################
-# Python dependencies
-
-# Install dependencies
-
-RUN apt-get update && apt-get install -y \
-    python-all-dev \
-    python3-all-dev \
-    python-pip \
-    python-virtualenv
-
-# Install Python packages from PyPI
-RUN pip install futures==2.2.0 enum34==1.0.4 protobuf==3.0.0a2
-
-# For sanity test
-RUN pip install simplejson mako
-
-##################
-# PHP dependencies
-
-# Install dependencies
-
-RUN /bin/bash -l -c "echo 'deb http://packages.dotdeb.org wheezy-php55 all' \
-    >> /etc/apt/sources.list.d/dotdeb.list"
-RUN /bin/bash -l -c "echo 'deb-src http://packages.dotdeb.org wheezy-php55 all' \
-    >> /etc/apt/sources.list.d/dotdeb.list"
-RUN wget http://www.dotdeb.org/dotdeb.gpg -O- | apt-key add -
-
-RUN apt-get update && apt-get install -y \
-    git php5 php5-dev phpunit unzip
+# Prepare ccache
+RUN ln -s /usr/bin/ccache /usr/local/bin/gcc
+RUN ln -s /usr/bin/ccache /usr/local/bin/g++
+RUN ln -s /usr/bin/ccache /usr/local/bin/cc
+RUN ln -s /usr/bin/ccache /usr/local/bin/c++
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang
+RUN ln -s /usr/bin/ccache /usr/local/bin/clang++
 
-##################
+#======================
 # Zookeeper dependencies
+# TODO(jtattermusch): is zookeeper still needed?
 RUN apt-get install -y libzookeeper-mt-dev
 
-##################
-# Build profiling
-RUN apt-get install -y time
-
 RUN mkdir /var/local/jenkins
 
 # Define the default command.
diff --git a/tools/dockerfile/grpc_sanity/Dockerfile b/tools/dockerfile/test/sanity/Dockerfile
similarity index 94%
rename from tools/dockerfile/grpc_sanity/Dockerfile
rename to tools/dockerfile/test/sanity/Dockerfile
index 8833141832a845e668627a874e2065e8811873d2..51ee49b44853cbcd1e80ef7daf662d37b9b168a4 100644
--- a/tools/dockerfile/grpc_sanity/Dockerfile
+++ b/tools/dockerfile/test/sanity/Dockerfile
@@ -27,8 +27,6 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# Dockerfile for running gRPC sanity tests
-
 FROM debian:jessie
 
 # Install Git and basic packages.
@@ -61,22 +59,22 @@ RUN apt-get update && apt-get install -y \
   wget \
   zip && apt-get clean
 
-##################
+#================
+# Build profiling
+RUN apt-get update && apt-get install -y time && apt-get clean
+
+#========================
 # Sanity test dependencies
 RUN apt-get update && apt-get install -y python-pip
 RUN pip install simplejson mako
 
-##################
-# Docker "inception".
+#===================
+# Docker "inception"
 # Note this is quite the ugly hack.
 # This makes sure that the docker binary we inject has its dependencies.
 RUN curl https://get.docker.com/ | sh
 RUN apt-get remove --purge -y docker-engine
 
-##################
-# Build profiling
-RUN apt-get install -y time
-
 RUN mkdir /var/local/jenkins
 
 # Define the default command.
diff --git a/tools/jenkins/build_docker_and_run_tests.sh b/tools/jenkins/build_docker_and_run_tests.sh
index 58163bb5835344b56ecf4b13324e5f40e043f938..e2ac7518f09992e9088852df21ca8cfe92d8fe75 100755
--- a/tools/jenkins/build_docker_and_run_tests.sh
+++ b/tools/jenkins/build_docker_and_run_tests.sh
@@ -33,8 +33,8 @@
 
 set -ex
 
-cd `dirname $0`/../..
-git_root=`pwd`
+cd $(dirname $0)/../..
+git_root=$(pwd)
 cd -
 
 # Ensure existence of ccache directory
diff --git a/tools/jenkins/docker_run_tests.sh b/tools/jenkins/docker_run_tests.sh
index 12874386a3c7951eaa9a1674631893817505a8fe..282b85735110284599540571f81b17607e9b48ca 100755
--- a/tools/jenkins/docker_run_tests.sh
+++ b/tools/jenkins/docker_run_tests.sh
@@ -38,16 +38,11 @@ export ASAN_SYMBOLIZER_PATH=/usr/bin/llvm-symbolizer-3.5
 
 # Ensure that programs depending on current-user-ownership of cache directories
 # are satisfied (it's being mounted from outside the image).
-chown `whoami` $XDG_CACHE_HOME
+chown $(whoami) $XDG_CACHE_HOME
 
 mkdir -p /var/local/git
 git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
 
-if [ -x "$(command -v rvm)" ]
-then
-  rvm use ruby-2.1
-fi
-
 mkdir -p reports
 
 exit_code=0
diff --git a/tools/run_tests/pre_build_csharp.sh b/tools/run_tests/pre_build_csharp.sh
index 4341c0256fd9e9bcb4a8e261b8d9a5a0136fbc4c..32466c217714b951206c7ee7e52a8d4e5007fbe1 100755
--- a/tools/run_tests/pre_build_csharp.sh
+++ b/tools/run_tests/pre_build_csharp.sh
@@ -39,8 +39,3 @@ if [ -x "$(command -v nuget)" ]
 then
   nuget restore Grpc.sln
 fi
-
-if [ -n "$NUGET" ]
-then
-  $NUGET restore Grpc.sln
-fi
diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index 6dfdc705bec0e6ca3bdb1042d3336b90b8d4a2ee..f40586644257b594901edef26c5162720d4cfe9c 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -186,7 +186,7 @@ class CLanguage(object):
     return True
 
   def dockerfile_dir(self, config, arch):
-    return None
+    return 'tools/dockerfile/test/cxx_jessie_%s' % _docker_arch_suffix(arch)
 
   def __str__(self):
     return self.make_target
@@ -225,7 +225,7 @@ class NodeLanguage(object):
     return False
 
   def dockerfile_dir(self, config, arch):
-    return None
+    return 'tools/dockerfile/test/node_jessie_%s' % _docker_arch_suffix(arch)
 
   def __str__(self):
     return 'node'
@@ -259,7 +259,7 @@ class PhpLanguage(object):
     return False
 
   def dockerfile_dir(self, config, arch):
-    return None
+    return 'tools/dockerfile/test/php_jessie_%s' % _docker_arch_suffix(arch)
 
   def __str__(self):
     return 'php'
@@ -315,7 +315,7 @@ class PythonLanguage(object):
     return False
 
   def dockerfile_dir(self, config, arch):
-    return None
+    return 'tools/dockerfile/test/python_jessie_%s' % _docker_arch_suffix(arch)
 
   def __str__(self):
     return 'python'
@@ -349,7 +349,7 @@ class RubyLanguage(object):
     return False
 
   def dockerfile_dir(self, config, arch):
-    return None
+    return 'tools/dockerfile/test/ruby_jessie_%s' % _docker_arch_suffix(arch)
 
   def __str__(self):
     return 'ruby'
@@ -434,7 +434,7 @@ class CSharpLanguage(object):
     return False
 
   def dockerfile_dir(self, config, arch):
-    return None
+    return 'tools/dockerfile/test/csharp_jessie_%s' % _docker_arch_suffix(arch)
 
   def __str__(self):
     return 'csharp'
@@ -506,7 +506,7 @@ class Sanity(object):
     return False
 
   def dockerfile_dir(self, config, arch):
-    return 'tools/dockerfile/grpc_sanity'
+    return 'tools/dockerfile/test/sanity'
 
   def __str__(self):
     return 'sanity'
@@ -630,19 +630,24 @@ def _windows_toolset_option(compiler):
     sys.exit(1)
 
 
+def _docker_arch_suffix(arch):
+  """Returns suffix to dockerfile dir to use."""
+  if arch == 'default' or arch == 'x64':
+    return 'x64'
+  elif arch == 'x86':
+    return 'x86'
+  else:
+    print 'Architecture %s not supported with current settings.' % arch
+    sys.exit(1)
+
+
 def _get_dockerfile_dir(language, cfg, arch):
   """Returns dockerfile to use"""
   custom = language.dockerfile_dir(cfg, arch)
   if custom:
     return custom
   else:
-    if arch == 'default' or arch == 'x64':
-      return 'tools/dockerfile/grpc_tests_multilang_x64'
-    elif arch == 'x86':
-      return 'tools/dockerfile/grpc_tests_multilang_x86'
-    else:
-      print 'Architecture %s not supported with current settings.' % arch
-      sys.exit(1)
+    return 'tools/dockerfile/grpc_tests_multilang_%s' % _docker_arch_suffix(arch)
 
 def runs_per_test_type(arg_str):
     """Auxilary function to parse the "runs_per_test" flag.