Configure backend proxy for remote deployment

docker-compose.yml

@@ -5,9 +5,6 @@ services:
       dockerfile: Dockerfile
     container_name: nsct-web
     restart: unless-stopped
-    environment:
-      - NSCT_API_BASE_URL=http://nsct-api:8080
-      - DEFAULT_THEME=dark
     ports:
       - "3000:3000"
     networks:
@@ -41,6 +38,9 @@ services:
     environment:
       - CADDY_DOMAIN=${CADDY_DOMAIN:-}
       - NSCT_RATE_LIMIT=${NSCT_RATE_LIMIT:-}
+      - NSCT_API_UPSTREAM=${NSCT_API_UPSTREAM:-host.docker.internal:8080}
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     networks:
       - nsct-network
     depends_on: