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FROM node:20-alpine # Set working directory WORKDIR /app # Copy package files COPY package*.json ./ COPY tsconfig.json ./ # Install dependencies RUN npm ci --only=production && npm cache clean --force # Copy source code COPY src ./src # Build TypeScript RUN npm install --save-dev typescript @types/node @types/express && \ npm run build && \ npm uninstall typescript @types/node @types/express # Remove source files, keep only dist RUN rm -rf src tsconfig.json # Create logs directory RUN mkdir -p /app/logs # Expose port EXPOSE 3000 # Health check HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \ CMD node -e "require('http').get('http://localhost:3000/health', (r) => r.statusCode === 200 ? process.exit(0) : process.exit(1))" # Set environment variables ENV NODE_ENV=production ENV USE_SSE=true ENV PORT=3000 # Start the server CMD ["node", "dist/index.js"]