fix env and docker conf to work correctly with Kong API exposed

docker/.env.example

@@ -10,6 +10,8 @@ SERVICE_ROLE_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyAgCiAgICAicm9sZSI6ICJzZX
 
 ## General
 SITE_URL=http://localhost:3000
+KONG_URL=http://kong:8000
+META_URL=http://meta:8080
 ADDITIONAL_REDIRECT_URLS=
 JWT_EXPIRY=3600
 DISABLE_SIGNUP=false

docker/docker-compose.yml

@@ -14,8 +14,8 @@ services:
     ports:
       - ${STUDIO_PORT}:3000/tcp
     environment:
-      SUPABASE_URL: http://kong:8000
-      STUDIO_PG_META_URL: http://meta:8080
+      SUPABASE_URL: ${KONG_URL}
+      STUDIO_PG_META_URL: ${META_URL}
       SUPABASE_ANON_KEY: ${ANON_KEY}
       SUPABASE_SERVICE_KEY: ${SERVICE_ROLE_KEY}