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Dockerfile

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+# Multi-stage build for NestJS Serverless Application
+FROM node:18-alpine AS builder
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+COPY prisma ./prisma/
+
+# Install dependencies
+RUN npm ci --only=production && npm cache clean --force
+
+# Copy source code
+COPY . .
+
+# Generate Prisma client
+RUN npx prisma generate
+
+# Build the application
+RUN npm run build
+
+# Production stage
+FROM node:18-alpine AS production
+
+# Set working directory
+WORKDIR /app
+
+# Install serverless framework globally
+RUN npm install -g serverless
+
+# Copy package files
+COPY package*.json ./
+
+# Install production dependencies
+RUN npm ci --only=production && npm cache clean --force
+
+# Copy built application
+COPY --from=builder /app/dist ./dist
+COPY --from=builder /app/prisma ./prisma
+COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
+
+# Copy serverless configuration
+COPY serverless*.yml ./
+
+# Create non-root user
+RUN addgroup -g 1001 -S nodejs
+RUN adduser -S nestjs -u 1001
+
+# Change ownership
+RUN chown -R nestjs:nodejs /app
+USER nestjs
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD curl -f http://localhost:3000/health || exit 1
+
+# Start the application
+CMD ["npm", "run", "start:prod"]