# Multi-stage build for optimized production image

# Stage 1: Build
FROM node:22-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Stage 2: Production
FROM node:22-alpine AS production

WORKDIR /app

# Install only production dependencies
COPY package*.json ./
RUN npm ci --only=production

# Copy built application from builder stage
COPY --from=builder /app/dist ./dist

# Expose application port
EXPOSE 3000

# Set environment to production
ENV NODE_ENV=production

# Run the application
CMD ["node", "dist/main"]