This is generated by Beego framework to store the routers of back-end side.
It's easy to add a new router. You just need to copy the existing one and edit your url and controller.
If you want to use that url instead of showing a 404 page, you should registe it here.
For example, now seagull has accepted requests from the following url.
func init() {
beego.Router("/", &controllers.MainController{})
beego.Router("/containers", &controllers.MainController{})
beego.Router("/containers/:id", &controllers.MainController{})
beego.Router("/images", &controllers.MainController{})
beego.Router("/images/:id", &controllers.MainController{})
beego.Router("/images/:user/:repo", &controllers.MainController{})
beego.Router("/configuration", &controllers.MainController{})
beego.Router("/dockerhub", &controllers.MainController{})
beego.Router("/dockerapi/containers/json", &controllers.DockerapiController{}, "get:GetContainers")
beego.Router("/dockerapi/containers/:id/json", &controllers.DockerapiController{}, "get:GetContainer")
beego.Router("/dockerapi/containers/:id/top", &controllers.DockerapiController{}, "get:TopContainer")
beego.Router("/dockerapi/containers/:id/start", &controllers.DockerapiController{}, "post:StartContainer")
beego.Router("/dockerapi/containers/:id/stop", &controllers.DockerapiController{}, "post:StopContainer")
beego.Router("/dockerapi/containers/:id", &controllers.DockerapiController{}, "delete:DeleteContainer")
beego.Router("/dockerapi/images/json", &controllers.DockerapiController{}, "get:GetImages")
beego.Router("/dockerapi/images/:id/json", &controllers.DockerapiController{}, "get:GetImage")
beego.Router("/dockerapi/images/:user/:repo/json", &controllers.DockerapiController{}, "get:GetUserImage")
beego.Router("/dockerapi/images/:id", &controllers.DockerapiController{}, "delete:DeleteImage")
beego.Router("/dockerapi/version", &controllers.DockerapiController{}, "get:GetVersion")
beego.Router("/dockerapi/info", &controllers.DockerapiController{}, "get:GetInfo")
beego.Router("/dockerapi/images/search", &controllers.DockerapiController{}, "get:GetSearchImages")
}