Dockerfile

FROM jenkinsci/jenkins:latest
USER root

### Fastlane
ENV RUBY_MAJOR 2.2
ENV RUBY_VERSION 2.2.5

RUN apt-get update \
  && apt-get install -y bison ruby bzip2 autoconf build-essential zlibc zlib1g-dev zlib1g libssl-dev \
  && rm -rf /var/lib/apt/lists/* \
  && mkdir -p /usr/src/ruby \
  && curl -SL "http://cache.ruby-lang.org/pub/ruby/$RUBY_MAJOR/ruby-$RUBY_VERSION.tar.bz2" | tar -xjC /usr/src/ruby --strip-components=1 \
  && cd /usr/src/ruby \
  && autoconf \
  && ./configure --disable-install-doc \
  && make -j"$(nproc)" \
  && apt-get purge -y --auto-remove bison ruby \
  && make install \
  && rm -r /usr/src/ruby

# skip installing gem documentation
RUN echo 'gem: --no-rdoc --no-ri' >> "$HOME/.gemrc"

# install things globally, for great justice
ENV GEM_HOME /usr/local/bundle
ENV PATH $GEM_HOME/bin:$PATH
RUN gem install bundler \
  && bundle config --global path "$GEM_HOME" \
  && bundle config --global bin "$GEM_HOME/bin"

# don't create ".bundle" in all our apps
ENV BUNDLE_APP_CONFIG $GEM_HOME

RUN gem install fastlane

### Android SDK
# Install Deps
RUN dpkg --add-architecture i386 && apt-get update && apt-get install -y --force-yes expect git wget libc6-i386 lib32stdc++6 lib32gcc1 lib32ncurses5 lib32z1 python curl

# Install Android SDK
RUN cd /opt && wget --output-document=android-sdk.tgz --quiet http://dl.google.com/android/android-sdk_r24.4.1-linux.tgz && tar xzf android-sdk.tgz && rm -f android-sdk.tgz && chown -R root.root android-sdk-linux

# Setup environment
ENV ANDROID_HOME /opt/android-sdk-linux
ENV PATH ${PATH}:${ANDROID_HOME}/tools:${ANDROID_HOME}/platform-tools

# Install sdk elements
RUN cd /opt && wget https://raw.githubusercontent.com/code-troopers/docker-jenkins-slaves/master/jenkins-slave-jdk8-android/tools/android-accept-licenses.sh && chmod +x android-accept-licenses.sh
ENV PATH ${PATH}:/opt
RUN ["/opt/android-accept-licenses.sh", "android update sdk --all --force --no-ui --filter platform-tools,tools,build-tools-21,build-tools-21.0.1,build-tools-21.0.2,build-tools-21.1,build-tools-21.1.1,build-tools-21.1.2,build-tools-22,build-tools-22.0.1,build-tools-23.0.2,android-21,android-22,android-23,addon-google_apis_x86-google-21,extra-android-support,extra-android-m2repository,extra-google-m2repository,extra-google-google_play_services,sys-img-armeabi-v7a-android-21"]

USER jenkins