diff --git a/.env.example b/.env.example
index cb1b437..ac3855b 100644
--- a/.env.example
+++ b/.env.example
@@ -48,9 +48,19 @@ GODOXY_API_PASSWORD=password
 GODOXY_HTTP_ADDR=:80
 GODOXY_HTTPS_ADDR=:443
 
+# Enable HTTP3
+GODOXY_HTTP3_ENABLED=true
+
 # API listening address
 GODOXY_API_ADDR=127.0.0.1:8888
 
+# Metrics
+GODOXY_METRICS_DISABLE_CPU=false
+GODOXY_METRICS_DISABLE_MEMORY=false
+GODOXY_METRICS_DISABLE_DISK=false
+GODOXY_METRICS_DISABLE_NETWORK=false
+GODOXY_METRICS_DISABLE_SENSORS=false
+
 # Frontend listening port
 GODOXY_FRONTEND_PORT=3000