Docker | Multi-State build with React

FROM node:17-alpine as staged

WORKDIR /opt/app

COPY ["package.json", "package-lock.json", "./"]
RUN ["npm", "install"]

COPY ["tsconfig.build.json", "tsconfig.json", "./"]
COPY ["src/", "./src/"]
RUN ["npm", "run", "build"]

RUN ["/bin/sh", "-c", "find . ! -name dist ! -name node_modules -maxdepth 1 -mindepth 1 -exec rm -rf {} \\\\;"]

FROM node:17-alpine as completed
WORKDIR /opt/app
COPY --from=staged /opt/app ./
ENTRYPOINT ["node", "dist/src/main"]
EXPOSE 8080/tcp