40 lines
824 B
Docker
40 lines
824 B
Docker
# Multi-stage build for backend service
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# Stage 1: Builder
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FROM node:20-alpine AS builder
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WORKDIR /app
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# Copy package files
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COPY package*.json ./
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# Install dependencies
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RUN npm ci --only=production
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# Stage 2: Production
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FROM node:20-alpine
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# Create non-root user
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RUN addgroup -g 1001 -S nodejs && \
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adduser -S nodejs -u 1001
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WORKDIR /app
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# Copy dependencies from builder
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COPY --from=builder /app/node_modules ./node_modules
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# Copy application code
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COPY --chown=nodejs:nodejs src ./src
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# Switch to non-root user
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USER nodejs
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# Expose port
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EXPOSE 3000
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# Health check
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HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
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CMD node -e "require('http').get('http://localhost:3000/health', (r) => process.exit(r.statusCode === 200 ? 0 : 1))"
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# Start application
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CMD ["node", "src/server.js"]
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