Using Pedestal routers directly

sample.clj

(require '[io.pedestal.http.route.path :as route.path])
 (require '[io.pedestal.http.route :as route])
 (require '[io.pedestal.http.route.map-tree :as route.map-tree])
 (require '[io.pedestal.http.route.router :as route.router])

 ;; handler fns and common-interceptors elided
 (def routes #{["/" :get (conj common-interceptors `home-page)]
               ["/about" :get (conj common-interceptors `about-page)]
               ["/foo/:id" :get (conj common-interceptors `foo)]})

 (def rt (route.map-tree/router (route/expand-routes routes)))
 (route.router/find-route rt {:path-info "/foo/1" :request-method :get})
 ;; {:interceptors [#io.pedestal.interceptor.Interceptor
 ;;                {:enter #<Fn@75b622a9 io.pedestal.interceptor.helpers/on_request[fn]>,
 ;;                 :error nil,
 ;;                 :leave nil,
 ;;                 :name :io.pedestal.http.body-params/body-params}
 ;;                #io.pedestal.interceptor.Interceptor
 ;;                {:enter nil,
 ;;                 :error nil,
 ;;                 :leave #<Fn@734990c1 io.pedestal.interceptor.helpers/on_response[fn]>,
 ;;                 :name :io.pedestal.http/html-body}
 ;;                #io.pedestal.interceptor.Interceptor
 ;;                {:enter #<Fn@75c5b7ee io.pedestal.interceptor/eval307[fn/fn]>,
 ;;                 :error nil,
 ;;                 :leave nil,
 ;;                 :name nil}],
 ;; :method :get,
 ;; :path "/foo/:id",
 ;; :path-constraints {:id "([^/]+)"},
 ;; :path-params {:id "1"},
 ;; :path-parts ["foo" :id],
 ;; :path-re #"/\Qfoo\E/([^/]+)",
 ;; :route-name :foo.service/foo,
 ;; :io.pedestal.http.route.prefix-tree/satisfies-constraints? #<Fn@5b0e805 io.pedestal.http.route.prefix_tree/add_satisfies_constraints_QMARK_[fn]>}
 
 ;; alternatively can exlude :request-method as follows
 (def rt (route.map-tree/router (->> routes route/expand-routes (map #(dissoc % :method)))))
 (route.router/find-route rt {:path-info "/foo/1"})