Update running instructions

Signed-off-by: cristian-vijelie <cristianvijelie@gmail.com>

README.md

@@ -1,14 +1,23 @@
 ## This is the Unikraft Documentation website
 
-It's the https://unikraft.org website for the latest version of
+It's the <https://unikraft.org> website for the latest version of
 [Unikraft](https://github.com/unikraft/unikraft) and
 [KraftKit](https://kraftkit.sh).
 
 ### Building and testing locally
 
-```
+```console
 yarn install
 
 yarn run dev
 ```
 
+### Using Docker
+
+```console
+docker build -t ghcr.io/unikraft/docs:base --target base .
+
+docker run -it --rm -v $(pwd):/docs -w /docs -p 3000:3000 --entrypoint sh ghcr.io/unikraft/docs:base
+
+yarn run dev
+```