# Build stage
FROM node:20-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./
COPY tsconfig.json ./

# Install all dependencies (including dev dependencies for building)
RUN npm ci

# Copy source code
COPY src/ ./src/

# Build the application
RUN npm run build

# Production stage
FROM node:20-alpine AS production

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install production dependencies only
RUN npm ci --only=production

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

# Expose port
EXPOSE 3000

# Start the application
CMD ["npm", "start"]