Make generic

compose.host.yml

@@ -2,7 +2,7 @@
 version: "3.8"
 
 services:
-  traefik:
+  app:
     ports:
       - target: 80
         published: 80

compose.keycloak.yml

@@ -2,7 +2,7 @@
 version: "3.8"
 
 services:
-  traefik:
+  app:
     configs:
       - source: file_provider_yml
         target: /etc/traefik/file-provider.yml

compose.smtp.yml

@@ -2,6 +2,6 @@
 version: "3.8"
 
 services:
-  traefik:
+  app:
     ports:
       - "587:587"

compose.yml

@@ -2,7 +2,7 @@
 version: "3.8"
 
 services:
-  traefik:
+  app:
     image: "traefik:2.3.2"
     ports:
       - "80:80"