diff --git a/sail.md b/sail.md
index 82aa93ba923..102f35ce962 100644
--- a/sail.md
+++ b/sail.md
@@ -303,3 +303,24 @@ After running this command, the Dockerfiles and other configuration files used b
 ```bash
 sail build --no-cache
 ```
+
+
+You can also customize some configurations for Laravel Sail directly in your `.env` file. Here are some of the configuration keys you can use:
+
+
+```
+...
+
+# Change the default HTTP port 
+APP_PORT=8080
+
+# Change the default mysql port
+FORWARD_DB_PORT=30661
+
+# Change the default Redis port
+FORWARD_REDIS_PORT=63791
+
+...
+```
+
+You should look through the `docker-compose.yml` file for the other configuration keys available. Remember to run the `sail build --no-cache` command after you make your changes.