mirror of https://github.com/codevalet/canary
39 lines
950 B
Docker
39 lines
950 B
Docker
FROM ruby:2.3-alpine as builder
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ARG APP_DIR=/webapp
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ARG BUILD_PKGS="ruby-dev openssl-dev gcc make libc-dev binutils"
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ENV GEM_HOME=${APP_DIR}/vendor/gems
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ENV BUNDLE_PATH=${APP_DIR}/vendor/gems
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ENV BUNDLE_APP_CONFIG=${APP_DIR}/vendor/gems/.bundle
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ENV BUNDLE_DISABLE_SHARED_GEMS=true
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RUN mkdir -p ${APP_DIR}/vendor
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WORKDIR ${APP_DIR}
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ADD Gemfile* ${APP_DIR}/
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RUN apk add -U ${BUILD_PKGS} && \
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bundle install && \
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apk del ${BUILD_PKGS} && \
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rm -rf /var/cache/apk/*
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# Doing a multi-stage build to reset some stuff for a smaller image
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FROM ruby:2.3-alpine
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ARG APP_DIR=/webapp
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WORKDIR ${APP_DIR}
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COPY --from=builder ${APP_DIR} .
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ENV GEM_HOME=${APP_DIR}/vendor/gems
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ENV BUNDLE_PATH=${APP_DIR}/vendor/gems
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ENV BUNDLE_APP_CONFIG=${APP_DIR}/vendor/gems/.bundle
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ENV BUNDLE_DISABLE_SHARED_GEMS=true
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ADD app/ ${APP_DIR}/app/
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ADD config.ru ${APP_DIR}/
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ADD views ${APP_DIR}/views/
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ADD assets ${APP_DIR}/assets/
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CMD bundle exec puma
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