Dockerfile

FROM node:20-bookworm-slim AS packages

WORKDIR /app
ARG SRC=backstage
COPY $SRC/package.json $SRC/yarn.lock ./
COPY $SRC/.yarn ./.yarn
COPY $SRC/.yarnrc.yml ./
COPY $SRC/packages packages
RUN find packages \! -name "package.json" -mindepth 2 -maxdepth 2 -exec rm -rf {} \+


FROM node:20-bookworm-slim AS build

RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
    --mount=type=cache,target=/var/lib/apt,sharing=locked \
    apt-get update && \
    apt-get install -y --no-install-recommends python3 g++ build-essential && \
    rm -rf /var/lib/apt/lists/*
RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
    --mount=type=cache,target=/var/lib/apt,sharing=locked \
    apt-get update && \
    apt-get install -y --no-install-recommends libsqlite3-dev
USER node
WORKDIR /app
COPY --from=packages --chown=node:node /app .
COPY --from=packages --chown=node:node /app/.yarn ./.yarn
COPY --from=packages --chown=node:node /app/.yarnrc.yml  ./
RUN --mount=type=cache,target=/home/node/.cache/yarn,sharing=locked,uid=1000,gid=1000 \
    yarn install --immutable
ARG SRC=backstage
COPY --chown=node:node $SRC/. .
RUN yarn tsc
RUN yarn --cwd packages/backend build
RUN mkdir packages/backend/dist/skeleton packages/backend/dist/bundle \
    && tar xzf packages/backend/dist/skeleton.tar.gz -C packages/backend/dist/skeleton \
    && tar xzf packages/backend/dist/bundle.tar.gz -C packages/backend/dist/bundle


FROM node:20-bookworm-slim

RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
    --mount=type=cache,target=/var/lib/apt,sharing=locked \
    apt-get update && \
    apt-get install -y --no-install-recommends python3 g++ build-essential && \
    yarn config set python /usr/bin/python3
RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
    --mount=type=cache,target=/var/lib/apt,sharing=locked \
    apt-get update && \
    apt-get install -y --no-install-recommends libsqlite3-dev
USER node
WORKDIR /app
COPY --from=build --chown=node:node /app/.yarn ./.yarn
COPY --from=build --chown=node:node /app/.yarnrc.yml  ./
COPY --from=build --chown=node:node /app/yarn.lock /app/package.json /app/packages/backend/dist/skeleton/ ./
RUN --mount=type=cache,target=/home/node/.cache/yarn,sharing=locked,uid=1000,gid=1000 \
    yarn workspaces focus --all --production && rm -rf "$(yarn cache clean)"
COPY --from=build --chown=node:node /app/packages/backend/dist/bundle/ ./
COPY --chown=node:node app-config*.yaml ./
ARG SRC=backstage
COPY --chown=node:node $SRC/examples ./examples
ENV NODE_ENV=production
ENV NODE_OPTIONS="--no-node-snapshot"
CMD ["node", "packages/backend", "--config", "app-config.yaml", "--config", "app-config.ingress.yaml", "--config", "app-config.production.yaml"]