Throw error message on missing config

alakazam.py

@@ -447,7 +447,13 @@ def config(apps):
     """ Configure the apps """
     for instance, instance_config in CONFIGS.items():
         if apps:
-            selected_apps = [app for app in apps if app in instance_config.keys()]
+            selected_apps = []
+            for app in apps:
+                if app in instance_config.keys():
+                    selected_apps.append(app)
+                else:
+                    logging.error(f' App config \'{app}\' not found for {instance}!')
+                    exit(1)
         else:
             selected_apps = instance_config.keys()
         for app in selected_apps:

combine.yml

@@ -48,6 +48,15 @@ authentik:
             - SECRET_MONITORING_ID_VERSION
             - SECRET_MONITORING_SECRET_VERSION
             - monitoring.png
+    outline:
+        uncomment:
+            - compose.outline.yml
+            - OUTLINE_DOMAIN
+            - SECRET_OUTLINE_ID_VERSION
+            - SECRET_OUTLINE_SECRET_VERSION
+            - outline.png
+        secrets:
+            outline_id: outline
 nextcloud:
     authentik:
         uncomment:
@@ -79,6 +88,22 @@ onlyoffice:
             - SECRET_JWT_SECRET_VERSION
         shared_secrets:
             onlyoffice_jwt: jwt_secret
+outline:
+    authentik:
+        env: 
+            OIDC_CLIENT_ID: outline
+            OIDC_AUTH_URI: https://authentik.example.com/application/o/authorize/
+            OIDC_TOKEN_URI: https://authentik.example.com/application/o/token/
+            OIDC_USERINFO_URI: https://authentik.example.com/application/o/userinfo/
+            OIDC_DISPLAY_NAME: "Authentik"
+        uncomment:
+            - compose.oidc.yml
+            - OIDC_ENABLED
+            - OIDC_USERNAME_CLAIM
+            - OIDC_SCOPES
+            - SECRET_OIDC_CLIENT_SECRET_VERSION
+        shared_secrets:
+            outline_secret: oidc_client_secret
 wordpress:
     authentik:
         uncomment: