chore: introduce BACKEND_URL for docker deployment

docker/Dockerfile

@@ -28,4 +28,4 @@ FROM nginx:stable-alpine
 COPY --from=build /usr/src/app/dist/ /usr/share/nginx/html
 COPY --from=build /usr/src/app/docker/nginx.conf /etc/nginx/conf.d/default.conf
 
-CMD sed -i "s/localhost:3333/localhost:$BACKEND_PORT/g" /usr/share/nginx/html/main.*.js && nginx -g 'daemon off;'
+CMD sed -i "s#http://localhost:3333#$BACKEND_URL#g" /usr/share/nginx/html/main.*.js && nginx -g 'daemon off;'

docker/docker-compose.yml

@@ -6,12 +6,12 @@ services:
     ports:
       - "7333:3000"
     environment:
-      - CLIENT_URL=http://localhost:4333
+      - CLIENT_URL=http://localhost:4333 #this one should match with the address and port in frontend CLIENT_URL env
       
   frontend: 
     image: 4gray/iptvnator:latest
     ports:
-      - "4333:80" #this one should match with the port in CLIENT_URL env
+      - "4333:80"
     environment:
-      - BACKEND_PORT=7333 # this one should match with the exposed port of the backend service
+      - BACKEND_URL=http://192.168.172.67:7333 # this one should match with the address of the backend service