Document Docker Hub (#1337)

docs/content/documentation/getting-started/installation.md

@@ -70,6 +70,30 @@ Zola is available on snapcraft:
 $ snap install --edge zola
 ```
 
+### Docker
+
+Zola is available on [Docker Hub](https://hub.docker.com/r/balthek/zola).
+It has no `latest` tag, you will need to specify a [specific version to pull](https://hub.docker.com/r/balthek/zola/tags).
+
+```sh
+$ docker pull balthek/zola:0.13.0
+$ docker run balthek/zola:0.13.0 --version
+```
+
+#### Build
+
+```sh
+$ docker run -u "$(id -u):$(id -g)" -v $PWD:/app --workdir /app balthek/zola:0.13.0 build
+```
+
+#### Serve
+
+```sh
+$ docker run -u "$(id -u):$(id -g)" -v $PWD:/app --workdir /app -p 8080:8080 balthek/zola:0.13.0 serve --interface 0.0.0.0 --port 8080 --base-url localhost
+```
+
+You can now browse http://localhost:8080.
+
 ## Windows
 
 Zola is available on [Scoop](https://scoop.sh):