diff --git a/README.md b/README.md
index 59b7044..8a59ee6 100644
--- a/README.md
+++ b/README.md
@@ -6,5 +6,20 @@
 
 ```shell
 docker build . -t simple-picture-gallery
-docker run -p 3005:3001 -v //c/DATA/mypictures:/usr/src/app/picture-gallery-server/public --name test-gallery simple-picture-gallery
+docker run -p 3005:3001 -v /mnt/data/pictures:/usr/src/app/public --name my-picture-gallery simple-picture-gallery
+```
+
+### Customization
+
+Create an environment file `.env`:
+
+```properties
+REACT_APP_TITLE=My Gallery
+REACT_APP_APPBAR_COLOR=#F8AB2D
+```
+
+And run docker with `--env-file .env`
+
+```shell
+docker run -p 3005:3001 -v //c/DATA/temp/bla:/usr/src/app/public --env-file .env --name my-picture-gallery simple-picture-gallery
 ```
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