Simplify environment in gitea app.

apps/gitea/gitea.env

@@ -1,19 +1,15 @@
 SSH_LISTEN_PORT=2222
 SSH_PORT=22
-GITEA_APP_INI=/data/gitea/conf/app.ini
-GITEA_CUSTOM=/data/gitea
 GITEA_WORK_DIR=/data
 GITEA_TEMP=/tmp/gitea
 TMPDIR=/tmp/gitea
-HOME=/data/gitea/git
 GITEA_ADMIN_USERNAME={{ .apps.gitea.adminUser }}
 GITEA_ADMIN_PASSWORD_MODE=keepUpdated
 
 # Core app settings
-APP_NAME={{ .apps.gitea.appName }}
-RUN_MODE={{ .apps.gitea.runMode }}  
-RUN_USER=git
-WORK_PATH=/data
+GITEA____APP_NAME={{ .apps.gitea.appName }}
+GITEA____RUN_MODE={{ .apps.gitea.runMode }}  
+GITEA____RUN_USER=git
 
 # Security settings
 GITEA__security__INSTALL_LOCK=true