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FROM nginx:1.20-alpine

# make the 'app' folder the current working directory
ENV BACKEND_ADDRESS=backend:9090
COPY nginx.conf  /etc/nginx/conf.d/
RUN rm -rf /usr/share/nginx/html/*
COPY dist/ /usr/share/nginx/html/
WORKDIR /etc/nginx/conf.d
ENTRYPOINT envsubst '$BACKEND_ADDRESS'  < nginx.conf > default.conf &&rm nginx.conf && nginx -g 'daemon off;'
EXPOSE 80