ARG APP_IMAGE FROM ${APP_IMAGE} as source FROM nginx:1.19.6-alpine WORKDIR /var/www COPY --from=source /var/www ${WORKDIR} COPY simplesamlphp-1.19.0-rc1/ ../simplesamlphp COPY nginx/conf.d/prod.conf /etc/nginx/conf.d/prod.conf COPY nginx/dhparam/ /run/dhparam RUN rm -rf backend/.env