FROM ghcr.io/nginxinc/nginx-unprivileged:stable-alpine-slim EXPOSE 8080 ENV BASE_URL="" USER root COPY build/web /usr/share/nginx/html RUN chown -R nginx:nginx /usr/share/nginx/html USER nginx RUN mkdir -p /usr/share/nginx/html/assets/config && \ echo '{"baseUrl": "${BASE_URL}"}' > /usr/share/nginx/html/assets/config/config.json USER root CMD /bin/sh -c 'sed -i "s|\${BASE_URL}|${BASE_URL}|g" /usr/share/nginx/html/assets/config/config.json && nginx -g "daemon off;"'