Update readme with hugo build instructions

README.md

@@ -1,18 +1,13 @@
 # Notes server
 
-## Set up mkdocs and build HTML
+## Set up hugo and build HTML
 
 ````bash
-# Set up a Python virtualenv for mkdocs.
-sudo apt install virtualenv
-virtualenv .venv
-. .venv/bin/activate
-
-# Install mkdocs.
-pip install mkdocs
+# Install hugo.
+sudo api install hugo
 
 # Build the HTML.
-mkdocs build
+hugo build
 ```
 
 ## Build and run server
@@ -25,7 +20,11 @@ mkdocs build
 docker build --no-cache -t notes-server .
 
 # Run the image, listening on port 42069.
-docker run --mount type=bind,src=./site,dst=/usr/share/nginx/html -p 42069:80 -t notes-server
+docker run -d \
+  --name notes-server \
+  -v "/var/www/html/notes/hugo/public:/usr/share/nginx/html" \
+  -p 42069:80 \
+  notes-server
 ````
 
 ## Auth credentials setup