Caddyfile.json

{
  "logging": {
    "logs": {
      "default": {
        "level": "DEBUG"
      }
    }
  },
  "apps": {
    "http": {
      "servers": {
        "srv0": {
          "listen": [
            ":8080"
          ],
          "routes": [
            {
              "match": [
                {
                  "host": [
                    "localhost"
                  ]
                }
              ],
              "handle": [
                {
                  "handler": "subroute",
                  "routes": [
                    {
                      "handle": [
                        {
                          "handler": "esbuild",
                          "source": "./example/src/index.js",
                          "target": "/_build",
                          "auto_reload": true
                        },
                        {
                          "handler": "file_server",
                          "hide": [
                            "./Caddyfile"
                          ],
                          "root": "example/public"
                        }
                      ]
                    }
                  ]
                }
              ],
              "terminal": true
            }
          ]
        }
      }
    }
  }
}