android docker file

Dockerfile

FROM openjdk:8-jdk

CMD ["gradle"]

ENV GRADLE_HOME /opt/gradle
ENV ANDROID_HOME /opt/android
ENV GRADLE_VERSION 4.2.1

ARG GRADLE_DOWNLOAD_SHA256=b551cc04f2ca51c78dd14edb060621f0e5439bdfafa6fd167032a09ac708fbc0

COPY android.zip android.zip

RUN set -o errexit -o nounset \
	&& echo "Downloading Gradle" \
	&& wget --output-document=gradle.zip "https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-bin.zip" \
	\
	&& echo "Checking download hash" \
	&& echo "${GRADLE_DOWNLOAD_SHA256} *gradle.zip" | sha256sum --check - \
	\
	&& echo "Installing Gradle" \
	&& unzip gradle.zip \
	&& rm gradle.zip \
	&& mv "gradle-${GRADLE_VERSION}" "${GRADLE_HOME}/" \
	&& ln --symbolic "${GRADLE_HOME}/bin/gradle" /usr/bin/gradle \
	\
	&& echo "Adding gradle user and group" \
	&& groupadd --system --gid 1000 gradle \
	&& useradd --system --gid gradle --uid 1000 --shell /bin/bash --create-home gradle \
	&& mkdir /home/gradle/.gradle \
	&& chown --recursive gradle:gradle /home/gradle \
	\
	&& echo "Symlinking root Gradle cache to gradle Gradle cache" \
	&& ln -s /home/gradle/.gradle /root/.gradle\
	\
	&& echo "Downloading Android SDK"\
	&& wget --output-document=android.zip "https://dl.google.com/android/repository/sdk-tools-linux-3859397.zip" \
	\
	&& echo "Installing Android SDK" \
	&& unzip android.zip \
	&& rm android.zip \ 
	&& mkdir -p $ANDROID_HOME \
	&& chmod -R 777 $ANDROID_HOME \
	&& mv tools ${ANDROID_HOME} \
	&& yes | .${ANDROID_HOME}/tools/bin/sdkmanager --licenses \
	&& echo "Done downloading ANDROID"	

# Create Gradle volume
USER gradle
VOLUME "/home/gradle/.gradle"
WORKDIR /home/gradle

RUN set -o errexit -o nounset \
	&& echo "Testing Gradle installation" \
	&& gradle --version