[{
  "name"      : "echo",
  "script"    : "./echo.js"
},{
  "name"      : "child",
  "script"    : "./child.js",
  "instances" : "4",
  "error_file" : "./child-err.log",
  "out_file" : "./child-out.log"
},{
  "name"      : "api-2",
  "script"    : "./server.js"
}]