tiresias-cli/tiresias-custom-template/project.json

{
  "server": {
    "port": 7777,
    "proxy": {
      "/api": {
        "target": "http://www.example.org/",
        "changeOrigin": true,
        "pathRewrite": {
            "^/api": "/"
        }
      }
    }
  }
}