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update docker file
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adrienpoly committed May 11, 2024
1 parent 425912c commit 970687f
Showing 1 changed file with 19 additions and 15 deletions.
34 changes: 19 additions & 15 deletions Dockerfile
Original file line number Diff line number Diff line change
@@ -1,31 +1,29 @@
# syntax = docker/dockerfile:1

# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
ARG RUBY_VERSION=3.2.1
ARG RUBY_VERSION=3.3.1
FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base

# Rails app lives here
WORKDIR /rails

# Install base packages
RUN apt-get update -qq && \
apt-get install --no-install-recommends -y curl libjemalloc2 libsqlite3-0 libvips

# Set production environment
ENV RAILS_ENV="production" \
BUNDLE_DEPLOYMENT="1" \
BUNDLE_PATH="/usr/local/bundle" \
BUNDLE_WITHOUT="development"


# Throw-away build stage to reduce size of final image
FROM base as build

# Install packages needed to build gems and node modules
RUN apt-get install --no-install-recommends -y build-essential git node-gyp pkg-config python-is-python3
RUN apt-get update -qq && \
apt-get install --no-install-recommends -y build-essential curl git libvips node-gyp pkg-config python-is-python3

# Install JavaScript dependencies
ARG NODE_VERSION=20.11.0
ARG YARN_VERSION=1.22.21
ARG NODE_VERSION=20.10.0
ARG YARN_VERSION=1.22.19
ENV PATH=/usr/local/node/bin:$PATH
RUN curl -sL https://github.com/nodenv/node-build/archive/master.tar.gz | tar xz -C /tmp/ && \
/tmp/node-build-master/bin/node-build "${NODE_VERSION}" /usr/local/node && \
Expand All @@ -35,7 +33,9 @@ RUN curl -sL https://github.com/nodenv/node-build/archive/master.tar.gz | tar xz
# Install application gems
COPY Gemfile Gemfile.lock ./
RUN bundle install && \
rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git
rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
bundle exec bootsnap precompile --gemfile


# Install node modules
COPY package.json yarn.lock ./
Expand All @@ -44,25 +44,29 @@ RUN yarn install --frozen-lockfile
# Copy application code
COPY . .

# Precompile bootsnap code for faster boot times
RUN bundle exec bootsnap precompile app/ lib/

# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile


# Final stage for app image
FROM base

# Clean up installation packages to reduce image size
RUN rm -rf /var/lib/apt/lists /var/cache/apt/archives
# Install packages needed for deployment
RUN apt-get update -qq && \
apt-get install --no-install-recommends -y curl libsqlite3-0 libvips && \
rm -rf /var/lib/apt/lists /var/cache/apt/archives

# Copy built artifacts: gems, application
COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
COPY --from=build /usr/local/bundle /usr/local/bundle
COPY --from=build /rails /rails

# Run and own only the runtime files as a non-root user for security
RUN groupadd --system --gid 1000 rails && \
useradd rails --uid 1000 --gid 1000 --create-home --shell /bin/bash && \
RUN useradd rails --create-home --shell /bin/bash && \
chown -R rails:rails db log storage tmp
USER 1000:1000
USER rails:rails

# Entrypoint prepares the database.
ENTRYPOINT ["/rails/bin/docker-entrypoint"]
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