FROM node:18-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm install

COPY . .

RUN npm run build

FROM node:18-alpine AS runner

WORKDIR /app

COPY --from=builder /app/build ./build
COPY --from=builder /app/public ./public
COPY --from=builder /app/package*.json ./
COPY --from=builder /app/node_modules ./node_modules

RUN npm install -g serve

EXPOSE 3001

CMD ["serve", "-s", "build", "-l", "3001"]