reverse-proxy-frontend/Dockerfile

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

COPY package*.json ./
RUN npm install

COPY . ./
#RUN ls
RUN npm run build

# production environment
FROM node:14-slim
ARG APP_SUBFOLDER=reverse-proxy

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

#install static server
RUN npm install -g serve

# environment variables
ENV Author="Tudor Stanciu"
ARG APP_VERSION=0.0.0
ARG APP_DATE=1900-01-01
ENV APP_VERSION=${APP_VERSION}
ENV APP_DATE=${REACT_APP_DATE}

#set workdir to root
WORKDIR /

EXPOSE 80

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