fix volumes

docker-compose.yml

@@ -9,6 +9,6 @@ services:
 
     env_file: env/instance.env
     volumes:
-      - ./etc/instance/server.crt:/usr/syno/etc/ssl/ssl.crt/server.crt
-      - ./etc/instance/server.key:/usr/syno/etc/ssl/ssl.crt/server.key
+      - /usr/syno/etc/ssl/ssl.crt:/usr/syno/etc/ssl/ssl.crt
+      - /usr/syno/etc/ssl/ssl.key:/usr/syno/etc/ssl/ssl.key
 ...

etc/instance/.gitignore

@@ -1,2 +0,0 @@
-*
-!.gitignore