Using the not-found-interceptor as a catchall

service.clj

(ns support.service
  (:require [io.pedestal.http :as http]
            [io.pedestal.http.route :as route]))

(defn about-page
  [request]
  {:status 200 :body (format "Clojure %s - served from %s"
                              (clojure-version)
                              (route/url-for ::about-page))})

(def home-page
  {:name ::home-page
   :enter (fn [context]
            (assoc context :response {:status 200 :body "Hello world!"}))})

(def redirect-home
  {:name ::redirect-home
   :enter (fn [context]
            (assoc context :response {:status 302 :body "Go home" :headers {"Location" "/"}}))})

(defn routes
  []
  (route/expand-routes
   `[[["/"     {:get  home-page}
       ["/api" {:post about-page
                :get  redirect-home}]]]]))

(def service {:env :prod
              ::http/routes routes
              ::http/not-found-interceptor redirect-home
              ::http/resource-path "/public"
              ::http/type :jetty
              ::http/port 8081})