improve unix docker run

docs/creating-your-site.md

@@ -10,7 +10,18 @@ mkdocs new .
 
 Alternatively, if you're running Material for MkDocs from within Docker, use:
 
-=== "Unix, Powershell"
+
+=== "Unix"
+
+    ```
+    docker run --rm \
+               --user $(id -u):$(id -g) \
+               --volume $(pwd):/docs \
+               squidfunk/mkdocs-material \
+               new . # bootstrap project
+    ```
+
+=== "Powershell"
 
     ```
     docker run --rm -it -v ${PWD}:/docs squidfunk/mkdocs-material new .
@@ -210,7 +221,18 @@ mkdocs serve # (1)!
 
 If you're running Material for MkDocs from within Docker, use:
 
-=== "Unix, Powershell"
+=== "Unix"
+
+    ```
+    docker run --rm \
+               --user $(id -u):$(id -g) \
+               --volume $(pwd):/docs \
+               --publish 127.0.0.1:8000:8000 \
+               squidfunk/mkdocs-material
+               # serve by default (Ctrl + C to stop preview server)
+    ```
+
+=== "Powershell"
 
     ```
     docker run --rm -it -p 8000:8000 -v ${PWD}:/docs squidfunk/mkdocs-material
@@ -241,7 +263,17 @@ mkdocs build
 
 If you're running Material for MkDocs from within Docker, use:
 
-=== "Unix, Powershell"
+=== "Unix"
+
+    ```
+    docker run --rm \
+               --user $(id -u):$(id -g) \
+               --volume $(pwd):/docs \
+               squidfunk/mkdocs-material \
+               build # build static site in $(pwd)/site
+    ```
+
+=== "Powershell"
 
     ```
     docker run --rm -it -v ${PWD}:/docs squidfunk/mkdocs-material build