Router databinding configuration for my website

routing.swift

let router = try container.make(Router.self)
let blog = try container.make(BlogController.self)
router.get("blog", use: Template(path: "Blog/listing")
    .bind(blog.posts, to: "posts")
    .bind(blog.isOldestFirst, to: "oldest-first").fn())
router.get("blog", ":author", use: Template(path: "Blog/author-post").fn())
router.post("blog", ":save", use: (blog.save >>> { $0.redirect(to: "/blog") }))
router.get("blog", String.parameter, use: Template(path: "Blog/view-post")
    .bindObject(blog.post).fn())

return .done(on: container)