Andre Wanlin
58 lines
2.3 KiB
Docker
58 lines
2.3 KiB
Docker
# This dockerfile builds an image for the backend package.
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# It should be executed with the root of the repo as docker context.
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#
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# Before building this image, be sure to have run the following commands in the repo root:
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#
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# yarn install
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# yarn tsc
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# yarn build:backend
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#
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# Once the commands have been run, you can build the image using `yarn build-image`
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FROM node:24-trixie-slim
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# Install sqlite3 dependencies. You can skip this if you don't use sqlite3 in the image,
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# in which case you should also move better-sqlite3 to "devDependencies" in package.json.
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# Additionally, we install dependencies for `techdocs.generator.runIn: local`.
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# https://backstage.io/docs/features/techdocs/getting-started#disabling-docker-in-docker-situation-optional
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RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
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--mount=type=cache,target=/var/lib/apt,sharing=locked \
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apt-get update && \
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apt-get install -y --no-install-recommends libsqlite3-dev python3 python3-pip python3-venv build-essential && \
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yarn config set python /usr/bin/python3
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# Set up a virtual environment for mkdocs-techdocs-core.
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ENV VIRTUAL_ENV=/opt/venv
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RUN python3 -m venv $VIRTUAL_ENV
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ENV PATH="$VIRTUAL_ENV/bin:$PATH"
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RUN pip3 install mkdocs-techdocs-core==1.1.7
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# From here on we use the least-privileged `node` user to run the backend.
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WORKDIR /app
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RUN chown node:node /app
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USER node
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# This switches many Node.js dependencies to production mode.
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ENV NODE_ENV=production
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# Copy over Yarn 3 configuration, release, and plugins
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COPY --chown=node:node .yarn ./.yarn
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COPY --chown=node:node .yarnrc.yml ./
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# Copy repo skeleton first, to avoid unnecessary docker cache invalidation.
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# The skeleton contains the package.json of each package in the monorepo,
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# and along with yarn.lock and the root package.json, that's enough to run yarn install.
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COPY --chown=node:node yarn.lock package.json packages/backend/dist/skeleton.tar.gz ./
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RUN tar xzf skeleton.tar.gz && rm skeleton.tar.gz
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RUN --mount=type=cache,target=/home/node/.yarn/berry/cache,sharing=locked,uid=1000,gid=1000 \
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yarn workspaces focus --all --production
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# Then copy the rest of the backend bundle, along with any other files we might want.
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COPY --chown=node:node packages/backend/dist/bundle.tar.gz app-config*.yaml ./
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RUN tar xzf bundle.tar.gz && rm bundle.tar.gz
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CMD ["node", "packages/backend", "--config", "app-config.yaml"]
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