Use docker compose to simplify dev and build

.gitignore

@@ -0,0 +1 @@
+site

README.md

@@ -14,8 +14,7 @@ might remain and need fixed.
 ### Local dev
 
 ```
-docker build -t deluge-mkdocs .
-docker run --rm -it -p 8000:8000 -v ${PWD}:/docs deluge-mkdocs
+docker compose up
 ```
 
 Open browser at http://localhost:8000
@@ -24,6 +23,14 @@ Live reloading will refresh the served pages modifying mkdocs.yml and
 markdown pages. Changes to any `overrides` files requires restarting
 docker server.
 
+### Build site
+
+```
+docker compose run mkdocs build
+```
+
+The build output will be in `site` directory.
+
 ### Override home and header
 
 The `overrides` directory contains the files to set a custom homepage

docker-compose.yml

@@ -0,0 +1,9 @@
+services:
+  mkdocs:
+    container_name: mkdocs
+    build: .
+    restart: always
+    ports:
+      - "8000:8000"
+    volumes:
+      - "${PWD}:/docs"