remove all named volumes

I would rather have the db data in a directory of the project folder

bookstack/docker-compose.yml

@@ -1,7 +1,5 @@
 ---
   version: "2"
-  volumes:
-    db:
 
   services:
     bookstack:
@@ -35,5 +33,5 @@
         - MYSQL_USER
         - MYSQL_PASSWORD
       volumes:
-        - db:/var/lib/mysql
+        - ./db:/var/lib/mysql
       restart: unless-stopped

nextcloud/docker-compose.yml

@@ -1,8 +1,5 @@
 version: '2'
 
-volumes:
-  db:
-
 services:
   traefik:
     image: "traefik:v2.2"
@@ -19,7 +16,7 @@ services:
     command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
     restart: unless-stopped
     volumes:
-      - db:/var/lib/mysql
+      - ./db:/var/lib/mysql
     environment:
       - MYSQL_RANDOM_ROOT_PASSWORD=yes
       - MYSQL_PASSWORD

rainloop/docker-compose.yml

@@ -1,6 +1,4 @@
 version: "2"
-volumes:
-  db:
 
 services:
   traefik:
@@ -32,7 +30,7 @@ services:
     image: mariadb
     restart: unless-stopped
     volumes:
-      - db:/var/lib/mysql
+      - ./db:/var/lib/mysql
     environment:
       - MYSQL_ROOT_PASSWORD
       - MYSQL_PASSWORD

ttrss/docker-compose.yml

@@ -1,7 +1,5 @@
 ---
 version: "2"
-volumes:
-  db:
 
 services:
   traefik:
@@ -47,7 +45,7 @@ services:
     command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
     restart: always
     volumes:
-      - db:/var/lib/mysql
+      - ./db:/var/lib/mysql
     environment:
       - MYSQL_ROOT_PASSWORD
       - MYSQL_PASSWORD

wallabag/docker-compose.yml

@@ -1,6 +1,4 @@
 version: '3'
-volumes:
-  db:
 
 services:
   traefik:
@@ -48,7 +46,7 @@ services:
     environment:
       - MYSQL_ROOT_PASSWORD
     volumes:
-      - db:/var/lib/mysql
+      - ./db:/var/lib/mysql
     restart: unless-stopped
   redis:
     image: redis:alpine