Remove notebook templates and add basic server templates.

jupyter_server/base/handlers.py

@@ -788,6 +788,16 @@ def get(self):
     post = put = get
 
 
+class MainHandler(JupyterHandler):
+    """Simple handler for base_url."""
+
+    def get(self):
+        html = self.render_template("main.html")
+        self.write(html)
+
+    post = put = get
+
+
 class FilesRedirectHandler(JupyterHandler):
     """Handler for redirecting relative URLs to the /files/ handler"""
 
@@ -859,6 +869,7 @@ def get(self):
 
 default_handlers = [
     (r".*/", TrailingSlashHandler),
+    (r"/", MainHandler),
     (r"api", APIVersionHandler),
     (r'/(robots\.txt|favicon\.ico)', web.StaticFileHandler),
     (r'/metrics', PrometheusMetricsHandler)

jupyter_server/templates/error.html

@@ -1,42 +1,21 @@
 {% extends "page.html" %}
 
-{% block login_widget %}
-{% endblock %}
-
-{% block stylesheet %}
-{{super()}}
-<style type="text/css">
-/* disable initial hide */
-div#header, div#site {
-    display: block;
-}
-</style>
-{% endblock %}
 {% block site %}
 
 <div class="error">
     {% block h1_error %}
     <h1>{{status_code}} : {{status_message}}</h1>
     {% endblock h1_error %}
+
     {% block error_detail %}
     {% if message %}
     <p>{% trans %}The error was:{% endtrans %}</p>
     <div class="traceback-wrapper">
     <pre class="traceback">{{message}}</pre>
     </div>
     {% endif %}
-    {% endblock %}
+    {% endblock error_detail %}
 </div>
 
 {% endblock %}
 
-{% block script %}
-{{super()}}
-<script type='text/javascript'>
-require(['jquery'], function($) {
-  // scroll long tracebacks to the bottom
-  var tb = $(".traceback")[0];
-  tb.scrollTop = tb.scrollHeight;
-});
-</script>
-{% endblock script %}

jupyter_server/templates/main.html

@@ -0,0 +1,5 @@
+{% extends "page.html" %}
+
+{% block site %}
+<h1>A Jupyter Server is running.</h1>
+{% endblock site %}