# Use Node.js base image
FROM node:20-slim AS builder
# Set working directory
WORKDIR /app
# Copy package.json and package-lock.json
COPY package*.json ./
# Install dependencies
RUN npm ci
# Copy source code
COPY . .
# Build TypeScript
RUN npm run build
# Runtime image with minimal footprint
FROM node:20-slim
WORKDIR /app
# Copy only necessary files from builder stage
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/package*.json ./
COPY --from=builder /app/node_modules ./node_modules
# Set non-root user for security
USER node
# Set environment variables
ENV NODE_ENV=production
# Run the application
ENTRYPOINT ["node", "dist/index.js"]