FROM node:18 AS build

WORKDIR /usr
COPY package.json ./
COPY yarn.lock ./
RUN yarn install
COPY . ./
RUN yarn build

FROM node:18-alpine3.16

WORKDIR /app
COPY package.json ./
COPY yarn.lock ./
RUN yarn install --frozen-lockfile
COPY --from=build /usr/build /app

EXPOSE 8000
CMD ["node", "/app"]