fix semaphore

DockerStack/Dockers/Semaphore/semaphore-compose.yaml

@@ -35,6 +35,8 @@ services:
     ports:
       - 3000:3000
     image: semaphoreui/semaphore:latest
+    volumes:
+      - semaphore_config:/config
     environment:
       SEMAPHORE_DB_USER: semaphore
       SEMAPHORE_DB_PASS: semaphore
@@ -63,4 +65,6 @@ services:
       replicas: 1
 volumes:
   semaphore-mysql: # to use postgres, switch to: semaphore-postgres
+    driver: gfs_vol
+  semaphore_config:
     driver: gfs_vol