Use named volumes instead of bind mounts

stack.yml

@@ -12,7 +12,7 @@ services:
       MYSQL_PASSWORD: "woodpecker"
       MYSQL_RANDOM_ROOT_PASSWORD: 1
     volumes:
-      - /mnt/data/nixc.us/woodpecker/production/db:/var/lib/mysql
+      - woodpecker_db_data:/var/lib/mysql
     networks:
       - woodpecker
     deploy:
@@ -55,7 +55,7 @@ services:
       - traefik
       - woodpecker
     volumes:
-      - /mnt/data/nixc.us/woodpecker/production/data:/var/lib/woodpecker/
+      - woodpecker_server_data:/var/lib/woodpecker/
       - /var/run/docker.sock:/var/run/docker.sock
       - /etc/localtime:/etc/localtime:ro
     deploy:
@@ -218,3 +218,5 @@ services:
 
 volumes:
   agent-secret: {}
+  woodpecker_db_data: {}
+  woodpecker_server_data: {}