FROM node:20-alpine AS builder
WORKDIR /app
# Copy dependency files
COPY package.json package-lock.json ./
# Install dependencies
RUN npm ci
# Copy source code
COPY tsconfig.json ./
COPY src/ ./src/
# Build the application
RUN npm run build
# Create the final image
FROM node:20-alpine
WORKDIR /app
# Copy only necessary files from the builder stage
COPY --from=builder /app/package.json /app/package-lock.json ./
COPY --from=builder /app/dist ./dist
# Install only production dependencies
RUN npm ci --omit=dev
# Set environment variables
ENV NODE_ENV=production
# Run the application
CMD ["node", "dist/index.js"]