a16696ea49
Tailwind generates app.css with only the classes that are used. It
checks three locations to determine which classes to include in the
final CSS file. [^1]
The "helpers/web.rb" file was missing in the frontend-builder layer,
which caused the missing Tailwind classes in Docker.
[^1]: 6b9248e3c6/tailwind.config.js (L3-L7)
52 lines
1.6 KiB
Docker
52 lines
1.6 KiB
Docker
FROM docker.io/library/node:23.6-alpine3.21 AS frontend-builder
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WORKDIR /app
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COPY tailwind.config.js package.json package-lock.json ./
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COPY views/ ./views/
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COPY assets/ ./assets/
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COPY helpers/web.rb ./helpers/web.rb
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RUN npm ci
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RUN npm run prod
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FROM docker.io/library/ruby:3.2.7-alpine3.21 AS bundler
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# Install build dependencies
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# - build-base, git, curl: To ensure certain gems can be compiled
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# - postgresql-dev: Required for postgresql gem
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RUN apk update --no-cache && \
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apk add build-base git curl postgresql-dev libffi-dev --no-cache
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WORKDIR /app
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COPY Gemfile Gemfile.lock ./
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RUN bundle install
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FROM docker.io/library/ruby:3.2.7-alpine3.21
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# Install runtime dependencies
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# - tzdata: The public-domain time zone database
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# - curl: Required for healthcheck and some basic operations
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# - postgresql-client: Required for postgresql gem at runtime
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# - gcompat: Required for nokogiri gem at runtime. https://nokogiri.org/tutorials/installing_nokogiri.html#linux-musl-error-loading-shared-library
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# - foreman: Helps to start different parts of app based on Procfile
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RUN apk update --no-cache && \
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apk add tzdata curl postgresql-client gcompat libffi --no-cache && \
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gem install foreman
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RUN adduser -D ubicloud && \
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mkdir /app && \
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chown ubicloud:ubicloud /app
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# Don't use root to run our app as extra line of defense
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USER ubicloud
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WORKDIR /app
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# Copy built assets from builders
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COPY --from=bundler /usr/local/bundle/ /usr/local/bundle/
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COPY --chown=ubicloud --from=frontend-builder /app/assets/css/app.css /app/assets/css/app.css
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COPY --chown=ubicloud . /app
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ENV RACK_ENV=production
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ENV PORT=3000
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EXPOSE 3000
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CMD ["foreman", "start"]
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