FROM node:20-alpine AS build
WORKDIR /app
COPY package.json tsconfig.base.json ./
COPY apps/backend/ apps/backend/
RUN npm install
RUN npm run build -w apps/backend

FROM node:20-alpine AS production
WORKDIR /app
COPY --from=build /app/apps/backend/dist ./dist
COPY --from=build /app/apps/backend/node_modules ./node_modules
COPY --from=build /app/apps/backend/package.json ./
EXPOSE 3000
CMD ["node", "dist/main.js"]