FROM base:latest

RUN apk update && \
    apk add --no-cache \
      curl \
      openssh-keygen \
      openjdk8

RUN mkdir -p /var/gerrit/bin && \
    mkdir -p /var/gerrit/etc && \
    mkdir -p /var/war

# Download Gerrit release
ARG GERRIT_WAR_URL=https://gerrit-releases.storage.googleapis.com/gerrit-3.0.3.war
RUN curl -k -o /var/war/gerrit.war ${GERRIT_WAR_URL} && \
    ln -s /var/war/gerrit.war /var/gerrit/bin/gerrit.war

# Allow incoming traffic
EXPOSE 29418 8080

RUN chown -R gerrit:users /var/gerrit && \
    chown -R gerrit:users /var/war
USER gerrit

RUN java -jar /var/gerrit/bin/gerrit.war init \
      --batch \
      --no-auto-start \
      -d /var/gerrit

ENTRYPOINT ["ash", "/var/tools/start"]