Dockerfile

FROM azul/zulu-openjdk-alpine:8

# ttf-dejavu: Fix NPE on font rendering https://github.com/docker-library/openjdk/issues/73
RUN apk add --no-cache git curl bash ttf-dejavu

ENV GITBUCKET_HOME /var/gitbucket

RUN addgroup -g 1000 gitbucket && \
    adduser -h "$GITBUCKET_HOME" -u 1000 -G gitbucket -s /bin/bash -D gitbucket && \
    mkdir -p /usr/share/gitbucket

VOLUME /var/gitbucket

ENV GITBUCKET_VERSION 4.35.3
RUN curl -fL "https://github.com/gitbucket/gitbucket/releases/download/${GITBUCKET_VERSION}/gitbucket.war" -o /usr/share/gitbucket/gitbucket.war

COPY gitbucket.sh /usr/share/gitbucket/gitbucket.sh
RUN chmod +x /usr/share/gitbucket/gitbucket.sh

# Port for web service
EXPOSE 8080
# Port for SSH access to git repository (Optional)
EXPOSE 29418

# Run as dedicated user
USER 1000

# Configure heap memory by cgroup memory limit
# https://blogs.oracle.com/java-platform-group/java-se-support-for-docker-cpu-and-memory-limits
ENV JAVA_OPTS -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap

CMD ["/usr/share/gitbucket/gitbucket.sh"]