Try using --config base_url and absolute_url: True

Also formatted using Black. Refs #1.

nbdatasette.py

@@ -1,23 +1,24 @@
 import os
 
+
 def setup_datasette():
-  dbpath = os.path.join(os.environ['HOME'], 'dakar_sql.sqlite')
-  return {
-    #datasette does look like it supports static references, but I'm missing something somewhere?
-    # https://github.com/simonw/datasette/issues/160
-    #If we set static refererncing, do we also need ;absolute_url': False ?
-    #I may (also) be misunderstanding {base_url}. Is that the domain, the domain+path, or the path?
-    #If it's the path, then can it be used to set the static element (once I figure out what args --static takes)
-    #I am so in the land of so-tired I have no idea what anything does.
-    #'command': ['datasette', 'serve', '-p', '{port}', '--static', 'static:{base_url}', dbpath],
-    'command': ['datasette', 'serve', '-p', '{port}', dbpath],
-    #With absolute_url True we get infinite redirects?
-    'absolute_url': False,
-    #The following needs a the labextension installing.
-    #eg in postBuild: jupyter labextension install jupyterlab-server-proxy
-    'launcher_entry': {
-        'enabled': True,
-        #'icon_path': '/home/jovyan/.jupyter/datasette.svg',
-        'title': 'Datasette',
-    },
-  }
+    dbpath = os.path.join(os.environ["HOME"], "dakar_sql.sqlite")
+    return {
+        "command": [
+            "datasette",
+            "serve",
+            "-p",
+            "{port}",
+            "--config",
+            "base_url:{base_url}",
+            dbpath,
+        ],
+        "absolute_url": True,
+        # The following needs a the labextension installing.
+        # eg in postBuild: jupyter labextension install jupyterlab-server-proxy
+        "launcher_entry": {
+            "enabled": True,
+            #'icon_path': '/home/jovyan/.jupyter/datasette.svg',
+            "title": "Datasette",
+        },
+    }