diff --git a/build/docker/ubuntu-trusty/Dockerfile.orig b/build/docker/ubuntu-trusty/Dockerfile.orig
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--- a/build/docker/ubuntu-trusty/Dockerfile.orig
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@@ -1,231 +0,0 @@
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Apache Thrift Docker build environment for Ubuntu
-#
-# Known missing client libraries:
-#  - dotnetcore
-
-FROM buildpack-deps:trusty-scm
-MAINTAINER Apache Thrift <dev@thrift.apache.org>
-
-ENV DEBIAN_FRONTEND noninteractive
-
-# Add apt sources
-# CMAKE
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends software-properties-common && \
-    add-apt-repository -y ppa:george-edison55/cmake-3.x
-
-# Erlang
-RUN echo 'deb http://packages.erlang-solutions.com/debian trusty contrib' > /etc/apt/sources.list.d/erlang_solutions.list && \
-    curl -sSL https://packages.erlang-solutions.com/debian/erlang_solutions.asc | apt-key add -
-
-# Dart
-RUN curl https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
-    curl https://storage.googleapis.com/download.dartlang.org/linux/debian/dart_stable.list > /etc/apt/sources.list.d/dart_stable.list && \
-    sed -i /etc/apt/sources.list.d/dart_stable.list -e 's/https:/http:/g'
-
-# Consider using mirror nearby when building locally
-# TODO: Provide option via --build-arg=...
-# RUN sed -i /etc/apt/sources.list -e 's!http://archive.ubuntu.com/ubuntu/!http://your/mirror/!g'
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-`# General dependencies` \
-      bison \
-      build-essential \
-      clang \
-      cmake \
-      debhelper \
-      flex \
-      ninja-build \
-      pkg-config \
-`# Included in buildpack-deps` \
-`#      autoconf` \
-`#      automake` \
-`#      g++` \
-`#      git` \
-`#      libtool` \
-`#      make`
-
-RUN apt-get install -y --no-install-recommends \
-`# C++ dependencies` \
-`# libevent and OpenSSL are needed by D too` \
-      libboost-dev \
-      libboost-filesystem-dev \
-      libboost-program-options-dev \
-      libboost-system-dev \
-      libboost-test-dev \
-      libboost-thread-dev \
-      libevent-dev \
-      libssl-dev \
-      qt5-default \
-      qtbase5-dev \
-      qtbase5-dev-tools
-
-RUN apt-get install -y --no-install-recommends \
-`# Java dependencies` \
-      ant \
-      ant-optional \
-      openjdk-7-jdk \
-      maven
-
-RUN apt-get install -y --no-install-recommends \
-`# Python dependencies` \
-`# TODO:` \
-`# Install twisted and zope.interface via pip. we need twisted at ./configure time, otherwise` \
-`# py.twisted tests are skipped.` \
-      python-all \
-      python-all-dbg \
-      python-all-dev \
-      python-pip \
-      python-setuptools \
-      python-twisted \
-      python-zope.interface \
-      python3-all \
-      python3-all-dbg \
-      python3-all-dev \
-      python3-setuptools \
-      python3-pip
-
-RUN apt-get install -y --no-install-recommends \
-`# Ruby dependencies` \
-      ruby \
-      ruby-dev \
-      ruby-bundler \
-`# Perl dependencies` \
-      libbit-vector-perl \
-      libclass-accessor-class-perl \
-      libcrypt-ssleay-perl \
-      libio-socket-ssl-perl \
-      libnet-ssleay-perl
-
-RUN apt-get install -y --no-install-recommends \
-`# Php dependencies` \
-      php5 \
-      php5-dev \
-      php5-cli \
-      php-pear \
-      re2c \
-      phpunit \
-`# GlibC dependencies` \
-      libglib2.0-dev
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-`# Erlang dependencies` \
-      erlang-base \
-      erlang-eunit \
-      erlang-dev \
-      erlang-tools \
-      rebar
-
-RUN apt-get install -y --no-install-recommends \
-`# Haskell dependencies` \
-      ghc \
-      cabal-install \
-`# Haxe dependencies` \
-      neko \
-      neko-dev \
-      libneko0
-
-# Newer release of nodejs
-RUN curl -sL https://deb.nodesource.com/setup_4.x | bash
-RUN apt-get install -y --no-install-recommends \
-`# Node.js dependencies` \
-      nodejs
-
-# Add mono package repository url to get latest version of mono
-RUN echo "deb http://download.mono-project.com/repo/debian trusty main" | tee /etc/apt/sources.list.d/mono.list
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys A6A19B38D3D831EF
-RUN apt-get update && apt-get install -y --no-install-recommends \
-`# CSharp dependencies` \
-      mono-devel
-
-RUN apt-get install -y --no-install-recommends \
-`# D dependencies` \
-      xdg-utils \
-`# Dart dependencies` \
-      dart \
-`# Lua dependencies` \
-      lua5.2 \
-      lua5.2-dev \
-`# MinGW dependencies` \
-      mingw32 \
-      mingw32-binutils \
-      mingw32-runtime \
-      nsis \
-`# Clean up` \
-    && rm -rf /var/cache/apt/* && \
-    rm -rf /var/lib/apt/lists/* && \
-    rm -rf /tmp/* && \
-    rm -rf /var/tmp/*
-
-# Ruby
-RUN gem install bundler --no-ri --no-rdoc
-
-# Python optional dependencies
-RUN pip2 install -U ipaddress backports.ssl_match_hostname tornado
-RUN pip3 install -U backports.ssl_match_hostname tornado
-
-# Go
-RUN curl -sSL https://storage.googleapis.com/golang/go1.4.3.linux-amd64.tar.gz | tar -C /usr/local/ -xz
-ENV PATH /usr/local/go/bin:$PATH
-
-# Haxe
-RUN mkdir -p /usr/lib/haxe && \
-    wget -O - https://github.com/HaxeFoundation/haxe/releases/download/3.2.1/haxe-3.2.1-linux64.tar.gz | \
-    tar -C /usr/lib/haxe --strip-components=1 -xz && \
-    ln -s /usr/lib/haxe/haxe /usr/bin/haxe && \
-    ln -s /usr/lib/haxe/haxelib /usr/bin/haxelib && \
-    mkdir -p /usr/lib/haxe/lib  && \
-    chmod -R 777 /usr/lib/haxe/lib && \
-    haxelib setup --always /usr/lib/haxe/lib && \
-    haxelib install --always hxcpp 3.4.64
-
-# Node.js
-# temporarily removed since this breaks the build (and is not needed to test C# code)
-# RUN curl -sSL https://www.npmjs.com/install.sh | sh
-
-# D
-RUN curl -sSL http://downloads.dlang.org/releases/2.x/2.070.0/dmd_2.070.0-0_amd64.deb -o /tmp/dmd_2.070.0-0_amd64.deb && \
-    dpkg -i /tmp/dmd_2.070.0-0_amd64.deb && \
-    rm /tmp/dmd_2.070.0-0_amd64.deb && \
-    curl -sSL https://github.com/D-Programming-Deimos/openssl/archive/master.tar.gz| tar xz && \
-    curl -sSL https://github.com/D-Programming-Deimos/libevent/archive/master.tar.gz| tar xz && \
-    mkdir -p /usr/include/dmd/druntime/import/deimos /usr/include/dmd/druntime/import/C && \
-    mv libevent-master/deimos/* openssl-master/deimos/* /usr/include/dmd/druntime/import/deimos/ && \
-    mv libevent-master/C/* openssl-master/C/* /usr/include/dmd/druntime/import/C/ && \
-    rm -rf libevent-master openssl-master && \
-    echo 'gcc -Wl,--no-as-needed $*' > /usr/local/bin/gcc-dmd && \
-    chmod 755 /usr/local/bin/gcc-dmd && \
-    echo 'CC=/usr/local/bin/gcc-dmd' >> /etc/dmd.conf
-
-# Dart
-ENV PATH /usr/lib/dart/bin:$PATH
-
-# OCaml
-RUN echo 'deb http://ppa.launchpad.net/avsm/ppa/ubuntu trusty main' > /etc/apt/sources.list.d/avsm-official-ocaml.list && \
-    gpg --keyserver keyserver.ubuntu.com --recv 61707B09 && \
-    gpg --export --armor 61707B09 | apt-key add - && \
-    apt-get update && \
-    apt-get install -y ocaml opam && \
-    opam init && \
-    opam install oasis
-
-# Rust
-RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain 1.17.0
-ENV PATH /root/.cargo/bin:$PATH
-
-ENV THRIFT_ROOT /thrift
-RUN mkdir -p $THRIFT_ROOT/src
-COPY Dockerfile $THRIFT_ROOT/
-WORKDIR $THRIFT_ROOT/src