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lab4
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Yuriy
models
13 сен 2025, 15:50
13 сен 2025, 15:50
4e2a667
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# syntax = docker/dockerfile:1 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile ARG RUBY_VERSION=3.3.0 FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base # Rails app lives here WORKDIR /rails # Set production environment ENV RAILS_ENV="production" \ BUNDLE_DEPLOYMENT="1" \ BUNDLE_PATH="/usr/local/bundle" \ BUNDLE_WITHOUT="development" # Throw-away build stage to reduce size of final image FROM base as build # Install packages needed to build gems RUN apt-get update -qq && \ apt-get install --no-install-recommends -y build-essential git libvips pkg-config # Install application gems COPY Gemfile Gemfile.lock ./ RUN bundle install && \ rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \ bundle exec bootsnap precompile --gemfile # Copy application code COPY . . # Precompile bootsnap code for faster boot times RUN bundle exec bootsnap precompile app/ lib/ # Final stage for app image FROM base # 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 /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 useradd rails --create-home --shell /bin/bash && \ chown -R rails:rails db log storage tmp USER rails:rails # Entrypoint prepares the database. ENTRYPOINT ["/rails/bin/docker-entrypoint"] # Start the server by default, this can be overwritten at runtime EXPOSE 3000 CMD ["./bin/rails", "server"]