diff --git a/app.ini.tmpl b/app.ini.tmpl
index 1d332bc..a072ed2 100644
--- a/app.ini.tmpl
+++ b/app.ini.tmpl
@@ -8,6 +8,15 @@ NAME = {{ env "GITEA_DB_NAME" }}
 PASSWD = {{ secret "db_passwd" }}
 USER = {{ env "GITEA_DB_USER" }}
 
+[service]
+ALLOW_ONLY_EXTERNAL_REGISTRATION = {{ env "GITEA_ALLOW_ONLY_EXTERNAL_REGISTRATION" }}
+DISABLE_REGISTRATION = {{ env "GITEA_DISABLE_REGISTRATION" }}
+ENABLE_NOTIFY_MAIL = {{ env "GITEA_ENABLE_NOTIFY_MAIL" }}
+
+[openid]
+ENABLE_OPENID_SIGNIN = {{ env "GITEA_ENABLE_OPENID_SIGNIN" }}
+ENABLE_OPENID_SIGNUP = {{ env "GITEA_ENABLE_OPENID_SIGNUP" }}
+
 [indexer]
 STARTUP_TIMEOUT = 0
 
diff --git a/compose.yml b/compose.yml
index d1bdafd..de47008 100644
--- a/compose.yml
+++ b/compose.yml
@@ -14,12 +14,17 @@ services:
       - secret_key
       - smtp_passwd
     environment:
+      - GITEA_ALLOW_ONLY_EXTERNAL_REGISTRATION="true"
       - GITEA_APP_NAME="Git with solidaritea"
       - GITEA_DB_HOST="mariadb:3306"
       - GITEA_DB_NAME="gitea"
       - GITEA_DB_TYPE="mysql"
       - GITEA_DB_USER="gitea"
+      - GITEA_DISABLE_REGISTRATION="false"
       - GITEA_DOMAIN="git.autonomic.zone"
+      - GITEA_ENABLE_NOTIFY_MAIL="true"
+      - GITEA_ENABLE_OPENID_SIGNIN="true"
+      - GITEA_ENABLE_OPENID_SIGNUP="true"
       - GITEA_SSH_PORT="2222"
     volumes:
       - "git:/data"
@@ -68,7 +73,7 @@ networks:
 
 configs:
   app_ini:
-    name: gitea_app_ini_v1
+    name: gitea_app_ini_v2
     file: app.ini.tmpl
     template_driver: golang