working test deploy config

Dockerfile

@@ -10,8 +10,10 @@ RUN npx ng build --configuration production
 FROM docker.io/library/nginx:alpine
 COPY --from=build /app/dist/radio-station/browser /usr/share/nginx/html
 COPY nginx.conf.template /etc/nginx/conf.d/nginx.conf.template
+COPY config.json.template /usr/share/nginx/html/config.json.template
 COPY docker-entrypoint.sh /docker-entrypoint.sh
 RUN chmod +x /docker-entrypoint.sh
 ENV API_UPSTREAM=http://api:8000
+ENV API_PUBLIC_URL=""
 EXPOSE 80
 ENTRYPOINT ["/docker-entrypoint.sh"]