# Multi-stage build for development and production FROM node:22-alpine AS base WORKDIR /app # Copy package files COPY package*.json ./ # Development stage FROM base AS development RUN npm install COPY . . EXPOSE 3000 CMD ["npm", "run", "dev"] # Production stage FROM base AS production # Install dependencies (including dev dependencies for build) RUN npm install # Copy source code COPY . . # Build the application RUN npx tsc --version && npx tsc # Remove dev dependencies to reduce image size RUN npm prune --omit=dev # Create non-root user for security RUN addgroup -g 1001 -S nodejs && \ adduser -S nodejs -u 1001 # Change ownership of the app directory RUN chown -R nodejs:nodejs /app USER nodejs # Health check HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \ CMD node -e "require('http').get('http://localhost:3000/api/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })" || exit 1 EXPOSE 3000 # Start the production server CMD ["npm", "start"]