@phenomlab seems everything is fine? the whole config is a bit complicated with some very very secret things, so I may not able to show it here

wait...I can post this topic directly undertechnical support?

wow thats an amazing feature

sry im busy doing other things
here is the output

2023/10/06 15:41:35.986 INFO    using provided configuration {"config_file": "Caddyfile.json", "config_adapter": ""}
2023/10/06 15:41:35.991 INFO    tls.cache.maintenancestarted background certificate maintenance      {"cache": "0xc000435f00"}
2023/10/06 15:41:35.992 INFO    http.auto_https enabling automatic HTTP->HTTPS redirects     {"server_name": "main"}
2023/10/06 15:41:36.013 INFO    tls.cache.maintenancestopped background certificate maintenance      {"cache": "0xc000435f00"}
Valid configuration

{
              "match": [
                {
                  "host": ["forum.example.com"]
                }
              ],
              "handle": [
                {
                  "handler": "subroute",
                  "routes": [
                    {
                      "handle": [
                        {
                          "handler": "encode",
                          "encodings": { "gzip": {}, "zstd": {} },
                          "prefer": ["zstd", "gzip"],
                          "minimum_length": 0
                        }
                      ]
                    },
                    {
                      "match": [{ "path": ["/assets/*"] }],
                      "handle": [
                        {
                          "handler": "subroute",
                          "routes": [
                            {
                              "handle": [
                                {
                                  "handler": "rewrite",
                                  "strip_path_prefix": "/assets"
                                }
                              ]
                            },
                            {
							  "match": [
                                {
                                  "file": {
                                    "root": "/home/nodebb",
                                    "try_files": [
                                      "/build/public/{http.request.uri.path}",
                                      "/public/{http.request.uri.path}"
                                    ]
                                  }
                                }
                              ],
                              "handle": [
                                {
                                  "handler": "rewrite",
                                  "uri": "{http.matchers.file.relative}"
                                }
                              ]
                            }
                          ]
                        }
                      ]
                    },
                    {
                      "handle": [
                        {
                          "handler": "reverse_proxy",
                          "upstreams": [{ "dial": "127.0.0.1:4567" }]
                        }
                      ],
                      "terminal": true
                    }
                  ]
                }
              ],
              "terminal": true
            }

This isn't working, the static files cannot be served properly with 404 not found.
I also tried caddy adapt but it printed wrong config.