feat: upgrade python version and install frontend in container

app/__init__.py

@@ -1,7 +1,7 @@
 import os
 from typing import Iterator
 
-from flask import Flask, redirect, url_for
+from flask import Flask, redirect, url_for, send_from_directory
 from flask.typing import ResponseReturnValue
 from prometheus_client.metrics_core import GaugeMetricFamily, CounterMetricFamily
 from prometheus_client.registry import Collector
@@ -109,8 +109,21 @@ if not_migrating() and 'DISABLE_METRICS' not in os.environ:
     REGISTRY.register(AutomationCollector())
 
 
+@app.route('/ui')
+def redirect_ui():
+    return redirect("/ui/")
+
+@app.route('/ui/', defaults={'path': ''})
+@app.route('/ui/<path:path>')
+def serve_ui(path):
+    if path != "" and os.path.exists("app/static/ui/" + path):
+        return send_from_directory('static/ui', path)
+    else:
+        return send_from_directory('static/ui', 'index.html')
+
 @app.route('/')
 def index() -> ResponseReturnValue:
+    # TODO: update to point at new UI when ready
     return redirect(url_for("portal.portal_home"))