add api_base_url env variable

transportmanager/docker-compose.yml

@@ -13,6 +13,7 @@ services:
       - LETSENCRYPT_HOST=tms.northdanubesoft.eu
       - VIRTUAL_PORT=80
       - TZ=Europe/Bucharest
+      - API_BASE_URL=https://tms.northdanubesoft.eu/api
     networks:
       - reverse-proxy
     volumes:
@@ -23,4 +24,5 @@ networks:
     external: true
 
 volumes:
-  tms_sqlite:
+  tms_sqlite:
+