add dockerfile and prep for prod

docker/run.sh

@@ -0,0 +1,18 @@
+#!/bin/sh -e
+
+echo "Applying database migrations"
+python -m hub migrate
+
+echo "Starting Caddy"
+caddy start --config /etc/caddy/Caddyfile
+
+echo "Starting Gunicorn"
+exec \
+    gunicorn \
+    -w 4 \
+    --access-logfile None \
+    --error-log - \
+    --capture-output \
+    --pythonpath /app/.venv/lib/python3.13/site-packages/ \
+    --bind unix:/run/gunicorn.sock \
+    hub.wsgi:application