Remove '_' in volume's name as it is invalid with kubernetes.

Signed-off-by: Silvin Lubecki <silvin.lubecki@docker.com>

Author: silvin-lubecki

examples/wordpress/README.md

@@ -21,7 +21,7 @@ services:
       overlay: null
     volumes:
     - type: volume
-      source: db_data
+      source: db-data
       target: /var/lib/mysql
   wordpress:
     depends_on:
@@ -47,8 +47,8 @@ services:
 networks:
   overlay: {}
 volumes:
-  db_data:
-    name: db_data
+  db-data:
+    name: db-data
 ```
 
 **Override default parameters with file**. This example sets `debug` to `"false"` and the wordpress service published port to 80 as defined in `prod-parameters.yml`.
@@ -114,7 +114,7 @@ mysql.scale.mode              replicated
 mysql.scale.replicas          1
 mysql.user.name               wordpress
 mysql.user.password           wordpress
-volumes.db_data.name          db_data
+volumes.db_data.name          db-data
 wordpress.port                8080
 wordpress.scale.endpoint_mode vip
 wordpress.scale.mode          replicated

examples/wordpress/wordpress.dockerapp/docker-compose.yml

@@ -10,7 +10,7 @@ services:
       MYSQL_USER: ${mysql.user.name}
       MYSQL_PASSWORD: ${mysql.user.password}
     volumes:
-      - source: db_data
+      - source: db-data
         target: /var/lib/mysql
         type: volume
     networks:
@@ -40,7 +40,7 @@ services:
       - mysql
 
 volumes:
-  db_data:
+  db-data:
     name: ${volumes.db_data.name}
 
 networks:

examples/wordpress/wordpress.dockerapp/parameters.yml

@@ -19,4 +19,4 @@ wordpress:
   port: 8080
 volumes:
   db_data:
-    name: db_data
+    name: db-data

integrations/gradle/example/simple.dockerapp/docker-compose.yml

@@ -8,7 +8,7 @@ services:
       MYSQL_USER: ${mysql.user.name}
       MYSQL_PASSWORD: ${mysql.user.password}
     volumes:
-      - source: db_data
+      - source: db-data
         target: /var/lib/mysql
         type: volume
     deploy:
@@ -27,5 +27,5 @@ services:
       replicas: ${wordpress.scale.replicas}
 
 volumes:
-  db_data:
+  db-data:
     name: ${volumes.db_data.name}

integrations/gradle/example/simple.dockerapp/parameters.yml

@@ -13,4 +13,4 @@ wordpress:
     replicas: 0
 volumes:
   db_data:
-    name: db_data
+    name: db-data