DOCS: Document how to preview website
Doc change. No need for tests.
@@ -151,6 +151,13 @@ Alternatively, on Mac you can install it using homebrew:
docker run --rm -it -v $(pwd)/dnsconfig.js:/dns/dnsconfig.js -v $(pwd)/creds.json:/dns/creds.json stackexchange/dnscontrol dnscontrol preview
```
+The documentation can be viewed via Docker:
+
+```
+docker run --rm -it --volume="$PWD:/srv/jekyll" --volume="$PWD/vendor/bundle:/usr/local/bundle" --env JEKYLL_ENV=production jekyll/jekyll:3.8 jekyll build -V
+```
+
+
## More info at our web site
The website: [https://stackexchange.github.io/dnscontrol/](https://stackexchange.github.io/dnscontrol/)
