FROM node:20-alpine AS builder
WORKDIR /app

COPY package.json ./
RUN npm install --no-save

COPY . .
RUN npm run build
RUN npm install --omit=dev --prefix build

FROM node:20-alpine
WORKDIR /app
ENV NODE_ENV=production

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

EXPOSE 3000
CMD ["node", "build/index.js"]