FROM node:18-alpine AS builder
WORKDIR /app
# Copy package files and install dependencies
COPY package*.json ./
RUN npm ci
# Copy source code
COPY . .
# Build the application
RUN npm run build
# Remove development dependencies
RUN npm prune --production
# Production image
FROM node:18-alpine
WORKDIR /app
# Set environment variables
ENV NODE_ENV=production
# Copy built application from builder stage
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package*.json ./
# Expose the port the app runs on
EXPOSE 3000
# Run the application
CMD ["node", "dist/index.js"]