Adding httprouter dependency to manage endpoints. Adding our routes to routes.go file facilitating endpoints management and adding POST /v1/movies and GET /v1/movies/:id endpoints. Updating main.go file removing ServeMux and add httprouter instead in app structure. Creating movies.go file to manage create and show movie endpoint.

cmd/api/routes.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"github.com/julienschmidt/httprouter"
+	"net/http"
+)
+
+func (app *application) routes() http.Handler {
+	// Initialize a new httprouter router instance
+	router := httprouter.New()
+
+	/*
+		Register the relevant methods, URL patterns and handler functions for our
+		endpoints using the HandlerFunc() method. Note that http.MethodGet and
+		http.MethodPost are constants which equate to the strings "GET" and "POST"
+		respectively.
+	*/
+	router.HandlerFunc(http.MethodGet, "/v1/healthcheck", app.healthcheckHandler)
+	router.HandlerFunc(http.MethodPost, "/v1/movies", app.createMovieHandler)
+	router.HandlerFunc(http.MethodGet, "/v1/movies/:id", app.showMovieHandler)
+
+	// Return the httprouter instance.
+	return router
+}