docker-adventcalendar-example/Dockerfile.development at master · yuemori/docker-adventcalendar-example · GitHub

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FROM ruby:2.3.3

ENV APP_ROOT /usr/src/app
ENV DOCKERIZE_VERSION v0.3.0
ENV ENTRYKIT_VERSION 0.4.0

RUN apt-get update && apt-get install -y wget ca-certificates openssl \
        # dockerize
        && wget https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz \
        && tar -C /usr/local/bin -xzvf dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz \
        && rm dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz \
        # entrykit
        && wget https://github.com/progrium/entrykit/releases/download/v${ENTRYKIT_VERSION}/entrykit_${ENTRYKIT_VERSION}_Linux_x86_64.tgz \
        && tar -xvzf entrykit_${ENTRYKIT_VERSION}_Linux_x86_64.tgz \
        && rm entrykit_${ENTRYKIT_VERSION}_Linux_x86_64.tgz \
        && mv entrykit /bin/entrykit \
        && chmod +x /bin/entrykit \
        && entrykit --symlink

WORKDIR $APP_ROOT

ENTRYPOINT [ \
  "prehook", "bundle install -j3", "--", \
  "prehook", "dockerize -timeout 60s -wait tcp://database:3306", "--" \
]

CMD ["rails", "server", "--bind", "0.0.0.0", "--pid", "/tmp/server.pid"]