solved mastodon bugs and optimized discourse

roles/docker-discourse/templates/discourse_application.yml.j2

@@ -117,6 +117,14 @@ run:
   - exec: rails r "SiteSetting.enable_local_logins = false"
   - exec: rails r "SiteSetting.enable_passkeys = false" # https://meta.discourse.org/t/passwordless-login-using-passkeys/285589
 
+  - exec: rails r "SiteSetting.username_change_period = 0" # Deactivate changing of username
+
+  # Activate Administrator User
+  - exec: printf '{{administrator_email}}\n{{administrator_initial_password}}\n{{administrator_initial_password}}\nY\n' | rake admin:create
+  - exec: rails r "User.find_by_email('{{administrator_email}}').update(username: '{{administrator_username}}')"
+  # The following code is just an inspiration, how to connect with the oidc account. as long as this is not set the admini account needs to be manually connected with oidc 
+  # docker exec -it discourse_application rails runner "user = User.find_by_email('test@flock.town'); UserAuth.create(user_id: user.id, provider: 'oidc', uid: 'eindeutige_oidc_id', info: { name: user.username, email: user.email })"
+
   # OIDC Activation
   - exec: rails r "SiteSetting.openid_connect_enabled = true"
   - exec: rails r "SiteSetting.openid_connect_discovery_document = '{{oidc.client.discovery_document}}'"