48 lines
1.1 KiB
Docker
48 lines
1.1 KiB
Docker
# ==========================================
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# Production-Ready Multi-Stage Dockerfile
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# ==========================================
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# Stage 1: Dependencies
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FROM node:20-alpine AS deps
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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 production dependencies only
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RUN npm ci --only=production && npm cache clean --force
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# ==========================================
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# Stage 2: Production Image
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# ==========================================
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FROM node:20-alpine AS runner
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WORKDIR /app
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# Set production environment
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ENV NODE_ENV=production
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ENV PORT=8080
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# Create non-root user for security
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RUN addgroup --system --gid 1001 nodejs && \
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adduser --system --uid 1001 nodeuser
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# Copy dependencies from deps stage
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COPY --from=deps /app/node_modules ./node_modules
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# Copy application code
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COPY --chown=nodeuser:nodejs . .
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# Switch to non-root user
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USER nodeuser
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# Expose port
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EXPOSE 8080
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# Health check
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HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
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CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
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# Start the application
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CMD ["node", "index.js"]
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