fix: SERVER_NAME only for prod

.gitea/workflows/deploy.yaml

@@ -12,10 +12,11 @@ jobs:
             BASE_URL="$PROD_URL"
           else
             BASE_URL="${{ gitea.ref_name }}.$(tr / '\n' <<< "${{ gitea.repository }}" | tac | tr '\n' .)k8s.gmoker.com"
+            SERVER_NAME="$BASE_URL"
           fi
           cat <<EOF >> .env
           BASE_URL="$BASE_URL"
-          PUBLIC_URL="${PUBLIC_URL:-$BASE_URL}"
+          SERVER_NAME="$SERVER_NAME"
           EOF
           cat .env