Erstes lauffähiges Grundgerüst: Monorepo, Fastify-API, React-Startseite, Docker

apps/backend/Dockerfile

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+# syntax=docker/dockerfile:1
+
+FROM node:20-alpine AS base
+RUN corepack enable
+WORKDIR /app
+
+# ---- deps: gesamten Workspace-Kontext installieren -------------------------
+FROM base AS deps
+COPY pnpm-workspace.yaml package.json pnpm-lock.yaml* ./
+COPY packages/shared/package.json packages/shared/package.json
+COPY packages/ui/package.json packages/ui/package.json
+COPY apps/backend/package.json apps/backend/package.json
+COPY apps/frontend/package.json apps/frontend/package.json
+# better-sqlite3 braucht Build-Tools für den nativen Modulbau
+RUN apk add --no-cache python3 make g++
+RUN pnpm install --frozen-lockfile || pnpm install
+
+# ---- build: Backend + Shared bauen ------------------------------------------
+FROM deps AS build
+COPY packages/shared packages/shared
+COPY apps/backend apps/backend
+RUN pnpm --filter @launchpad/shared build
+RUN pnpm --filter @launchpad/backend build
+# nur Production-Dependencies fürs Runtime-Image behalten
+RUN pnpm deploy --filter @launchpad/backend --prod /app/deploy
+
+# ---- runtime: schlankes Laufzeit-Image --------------------------------------
+FROM node:20-alpine AS runtime
+WORKDIR /app
+ENV NODE_ENV=production
+ENV DATABASE_PATH=/data/launchpad.db
+ENV PORT=3001
+ENV HOST=0.0.0.0
+
+COPY --from=build /app/deploy/ ./
+COPY --from=build /app/apps/backend/dist ./dist
+COPY --from=build /app/packages/shared/dist ./node_modules/@launchpad/shared/dist
+
+RUN mkdir -p /data
+VOLUME ["/data"]
+EXPOSE 3001
+
+CMD ["node", "dist/index.js"]