# build environment
FROM node:14-slim as builder
WORKDIR /app

COPY .npmrc .npmrc
COPY package*.json ./
RUN npm install
RUN rm -f .npmrc

COPY . ./
RUN npm run build

# production environment
FROM node:14-slim
RUN printf '\n\n- Copy application files\n'

ARG APP_SUBFOLDER=cdn-admin

COPY --from=builder /app/build ./application/${APP_SUBFOLDER}
COPY --from=builder /app/build/index.html ./application/

#install static server
RUN npm install -g serve

#set workdir to root
WORKDIR /

EXPOSE 80

CMD ["sh", "-c", "serve -s application -p 80"]