# Build Stage
FROM node:20-slim AS build

WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .

# Build Frontend
RUN npm run build:frontend

# Build Backend
RUN npm run build:backend

# Runtime Stage
FROM node:20-slim

WORKDIR /app

COPY --from=build /app/package*.json ./
RUN npm ci --omit=dev

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

EXPOSE 3000

CMD ["node", "dist/backend/server.js"]