bug: default configuration does not work on linux vms

.env.example

@@ -16,12 +16,12 @@ VITE_SERVER_PORT=5173 # dev server port
 # Values used by `docker-compose.dev.yml`. Compose will substitute ${VAR} from the
 # project `.env` or the shell environment when you run `docker compose`.
 VITE_APP_VERSION=development
-VITE_BACKEND_URL=http://host.docker.internal:8080 # backend API URL used by the frontend inside the container (host.docker.internal points to the host machine)
+VITE_BACKEND_URL=http://host.docker.internal:8080 # backend API URL used by the frontend inside the container (resolved via Compose host mapping)
 VITE_SERVER_PORT=5173 # dev server port inside the container
 DOCKER_HOST_PORT=5173 # port on the host machine mapped to the container's VITE_SERVER_PORT (for browser access)
 
 ########## Production (nginx) ##########
 # Values used at container runtime by nginx to proxy /api/
-NGINX_BACKEND_URL=http://host.docker.internal:8080/  # backend API URL used by nginx inside the container (host.docker.internal points to the host machine)
+NGINX_BACKEND_URL=http://host.docker.internal:8080/  # backend API URL used by nginx inside the container (resolved via Compose host mapping)
 NGINX_SERVER_PORT=8081 # port nginx listens on inside the container
 DOCKER_HOST_PORT=8081 # port on the host machine mapped to the container's NGINX_SERVER_PORT (for browser access)

docker-compose.dev.yml

@@ -2,6 +2,8 @@ services:
   soarca-gui-dev:
     container_name: soarca-gui-dev
     image: soarca-gui:dev
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     build:
       context: .
       dockerfile: Dockerfile.dev

docker-compose.yml

@@ -2,6 +2,8 @@ services:
   soarca-gui:
     container_name: soarca-gui
     image: soarca-gui:latest
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     build:
       context: .
       dockerfile: Dockerfile