[NC] Fix secrets paths and bump to v18

pica-nextcloud/docker-compose-pica.yml

@@ -2,7 +2,9 @@ version: '3.7'
 
 volumes:
   nextcloud-db:
+    name: docker_nextcloud-db
   nextcloud:
+    name: docker_nextcloud
 
 networks:
   nextcloud:
@@ -11,15 +13,14 @@ networks:
 
 services:
   nextcloud-app:
-    image: nextcloud:17.0.1-fpm-alpine
+    image: nextcloud:18.0.7-fpm-alpine
     container_name: nextcloud-app
     restart: unless-stopped
     volumes:
       - nextcloud:/var/www/html
     environment:
       - MYSQL_HOST=nextcloud-db
-    env_file:
-      - /DATA/docker/secrets/nextcloud-db.secrets
+    env_file: ./secrets/pica.secrets
     depends_on:
       - nextcloud-db
     networks:
@@ -32,7 +33,7 @@ services:
     volumes:
       - nextcloud:/var/www/html:ro
       - ./nginx.conf:/etc/nginx/nginx.conf:ro
-    env_file: ./pica.secrets
+    env_file: ./secrets/pica.secrets
     depends_on:
       - nextcloud-app
     networks:
@@ -55,4 +56,4 @@ services:
       - nextcloud-db:/var/lib/mysql
     networks:
       - nextcloud
-    env_file: ./pica.secrets
+    env_file: ./secrets/pica.secrets