updated owncloud compose with env varibles

roles/ind/owncloud/docker-compose.yml

@@ -5,6 +5,10 @@ services:
     stdin_open: true
     tty: true
     restart: always
+    environment:
+      - OWNCLOUD_TRUSTED_DOMAINS=${OWNCLOUD_TRUSTED_DOMAINS:?err}
+      - OWNCLOUD_UID=${USER:?err}
+      - OWNCLOUD_GID=${GROUP:?err}
     expose:
       - '80'
       - '8080'
@@ -20,6 +24,7 @@ services:
     stdin_open: true
     tty: true
     restart: always
+    user: ${USER:?err}:${GROUP:?err}
     networks:
       - onlyoffice
     environment: