# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy source code
COPY . .

# Build TypeScript
RUN npm run build

# Production stage
FROM node:20-alpine AS production

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install production dependencies only
RUN npm install --omit=dev

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

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001

USER nodejs

# Expose port
EXPOSE 3001

# Set environment variables
ENV NODE_ENV=production
ENV PORT=3001

# Start the application
CMD ["node", "dist/index.js"]