49 lines
1.2 KiB
Docker
49 lines
1.2 KiB
Docker
# syntax=docker/dockerfile:1
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# ---------- Build stage ----------
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FROM node:20-alpine AS builder
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WORKDIR /app
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# Install Yarn 1 (classic) – ensures compatibility with existing lockfile
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RUN if command -v yarn >/dev/null && [ "$(yarn --version)" = "1.22.19" ]; then \
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echo "Yarn 1.22.19 already installed"; \
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else \
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rm -f /usr/local/bin/yarn /usr/local/bin/yarnpkg && \
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npm install -g yarn@1.22.19 && yarn --version; \
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fi
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# Install dependencies (cache layer)
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COPY package.json .
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COPY yarn.lock .
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RUN yarn install --production=false
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# Copy source code
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COPY . .
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# Prune dev dependencies for production image
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RUN yarn install --frozen-lockfile --production && \
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rm -rf **/*.test.js
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# ---------- Runtime stage ----------
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FROM node:20-alpine AS runtime
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RUN addgroup -S appgroup && adduser -S appuser -G appgroup
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WORKDIR /app
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COPY --from=builder /app/package.json .
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COPY --from=builder /app/node_modules ./node_modules
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COPY --from=builder /app/src ./src
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ENV NODE_ENV=production
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USER appuser
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EXPOSE 3000
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HEALTHCHECK --interval=30s --timeout=5s --start-period=5s \
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CMD node -e "require('http').get('http://localhost:3000/health', () => process.exit(0)).on('error', () => process.exit(1))"
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CMD ["node", "src/index.js"]
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