'created smparkinVaporWeb from template https://github.com/vapor/web-template'

Sources/App/app.swift

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+import Vapor
+
+/// Creates an instance of `Application`. This is called from `main.swift` in the run target.
+public func app(_ env: Environment) throws -> Application {
+    var config = Config.default()
+    var env = env
+    var services = Services.default()
+    try configure(&config, &env, &services)
+    let app = try Application(config: config, environment: env, services: services)
+    try boot(app)
+    return app
+}

Sources/App/boot.swift

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+import Vapor
+
+/// Called after your application has initialized.
+public func boot(_ app: Application) throws {
+    // Your code here
+}

Sources/App/configure.swift

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+import Leaf
+import Vapor
+
+/// Called before your application initializes.
+public func configure(_ config: inout Config, _ env: inout Environment, _ services: inout Services) throws {
+    // Register providers first
+    try services.register(LeafProvider())
+
+    // Register routes to the router
+    let router = EngineRouter.default()
+    try routes(router)
+    services.register(router, as: Router.self)
+    
+    // Use Leaf for rendering views
+    config.prefer(LeafRenderer.self, for: ViewRenderer.self)
+
+    // Register middleware
+    var middlewares = MiddlewareConfig() // Create _empty_ middleware config
+    middlewares.use(FileMiddleware.self) // Serves files from `Public/` directory
+    middlewares.use(ErrorMiddleware.self) // Catches errors and converts to HTTP response
+    services.register(middlewares)
+}

Sources/App/routes.swift

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+import Vapor
+
+/// Register your application's routes here.
+public func routes(_ router: Router) throws {
+    // "It works" page
+    router.get { req in
+        return try req.view().render("welcome")
+    }
+    
+    // Says hello
+    router.get("hello", String.parameter) { req -> Future<View> in
+        return try req.view().render("hello", [
+            "name": req.parameters.next(String.self)
+        ])
+    }
+}