diff --git a/.env.sample b/.env.sample
index 8e8b10c..046c2ad 100644
--- a/.env.sample
+++ b/.env.sample
@@ -159,6 +159,10 @@ WRITE_TIMEOUT=0s
 #COMPOSE_FILE="$COMPOSE_FILE:compose.smtp.yml"
 #SMTP_ENABLED=1
 
+## PGSQL recipe open port 5432
+#COMPOSE_FILE="$COMPOSE_FILE:compose.pgsql.yml"
+#PGSQL_ENABLED=1
+
 ## Compy
 #COMPOSE_FILE="$COMPOSE_FILE:compose.compy.yml"
 #COMPY_ENABLED=1