add dockerfile and prep for prod

docker/Caddyfile

@@ -0,0 +1,40 @@
+{
+	auto_https off
+	log {
+		output stderr
+		format console
+		level ERROR
+	}
+}
+
+:8080 {
+	# Health check endpoint
+	handle /healthz {
+		respond "OK" 200
+	}
+
+	# Handle static files
+	handle /static/* {
+		uri strip_prefix /static
+		root * /app/staticfiles
+		file_server
+	}
+
+	# Handle media files
+	handle /media/* {
+		uri strip_prefix /media
+		root * /app/mediafiles
+		file_server
+	}
+
+	# Proxy all other requests to Gunicorn
+	handle {
+		reverse_proxy unix//run/gunicorn.sock
+	}
+
+	respond /healthz "OK" 200
+	header Cache-Control no-cache
+
+	# Basic compression for better performance
+	encode gzip
+}