restructure backend folder and database

apps/frontend/docker-compose.yml

@@ -3,12 +3,12 @@ services:
         build:
             context: ./src
             dockerfile: Dockerfile
+            args: 
+               BACKEND_URL: ${BACKEND_URL:-http://localhost:8000} # this argument is important on build to set the backend server url!
         container_name: ${INFRASTRUCTURE_LABEL:-default}-frontend-${ENVIRONMENT:-development}
         profiles: ["webapp", "frontend", "all", "app"]
-        ports:
-            - 3000:3000
         labels:
-            - "traefik.enable=${TRAEFIK_ENABLE}"
+            - "traefik.enable=${TRAEFIK_ENABLE:-false}" 
             - "traefik.http.routers.webapp.service=webapp"
             - "traefik.http.routers.webapp.entrypoints=${TRAEFIK_ENTRYPOINT}"
             - 'traefik.http.routers.webapp.rule=Host(`${FRONTEND_DOMAIN}`) || Host(`${FRONTEND_DOMAIN_2}`)'