# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Install dependencies
COPY package.json ./
RUN npm install

# Build TypeScript
COPY tsconfig.json ./
COPY src ./src
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Copy package files
COPY package.json ./

# Install production dependencies only
RUN npm install --production

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

# Set environment variables
ENV NODE_ENV=production
ENV PORT=3100

EXPOSE 3100

CMD ["node", "dist/index.js"]