Update Dockerfile and docker-compose to enhance cloudflared configuration and startup process

new-backend/config.json.new

@@ -0,0 +1,13 @@
+{
+  "tunnel": "monaco-backend-tunnel",
+  "credentials-file": "/etc/cloudflared/cert.pem",
+  "ingress": [
+    {
+      "hostname": "api.ishikabhoyar.tech",
+      "service": "http://localhost:8080"
+    },
+    {
+      "service": "http_status:404"
+    }
+  ]
+}