# ÉTAPE 1 : Build du backend TypeScript
FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm install

COPY . .
RUN npm run build

# ÉTAPE 2 : Image de production (deps de prod uniquement)
FROM node:20-alpine

WORKDIR /app
ENV NODE_ENV=production

COPY package*.json ./
RUN npm install --omit=dev

COPY --from=builder /app/dist ./dist

EXPOSE 3001

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