adds new healthz endpoint

http/bookclub.http

@@ -73,4 +73,8 @@ GET http://localhost:8080/auth/google
 ###
 # group: auth
 # @name logout
-GET http://localhost:8080/auth/google/logout
+GET http://localhost:8080/auth/google/logout
+
+###
+# @name healthz
+GET http://localhost:8080/api/healthz

internal/handler_readiness.go

@@ -0,0 +1,9 @@
+package internal
+
+import "net/http"
+
+func handlerReadiness(w http.ResponseWriter, r *http.Request) {
+	w.Header().Add("Content-Type", "text/plain; charset=utf-8")
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte(http.StatusText(http.StatusOK)))
+}

internal/server.go

@@ -45,10 +45,11 @@ func NewBookclubServer(client Client, repository BookRepository, userRepository
 	router.Handle("/api/users", http.HandlerFunc(s.handlerCreateUser))
 	router.Handle("/api/links/{id}", http.HandlerFunc(s.handlerGetLinks))
 	router.Handle("/api/links", http.HandlerFunc(s.handlerCreateLink))
-	router.Handle("/auth/{provider}/callback", http.HandlerFunc(s.handlerCallback))
-	router.Handle("/auth/{provider}/logout", http.HandlerFunc(s.handlerLogout))
-	router.Handle("/auth/{provider}", http.HandlerFunc(s.handlerLogin))
+	router.Handle("/api/auth/{provider}/callback", http.HandlerFunc(s.handlerCallback))
+	router.Handle("/api/auth/{provider}/logout", http.HandlerFunc(s.handlerLogout))
+	router.Handle("/api/auth/{provider}", http.HandlerFunc(s.handlerLogin))
 	router.Handle("/swagger/*", httpSwagger.Handler(httpSwagger.URL("http://localhost:8080/swagger/doc.json")))
+	router.Handle("/api/healthz", http.HandlerFunc(handlerReadiness))
 
 	s.Handler = router
 	return s

internal/user_service_test.go

@@ -181,7 +181,7 @@ func TestLogin(t *testing.T) {
 
 	//when
 
-	request, _ := http.NewRequest(http.MethodPost, "/auth/login", nil)
+	request, _ := http.NewRequest(http.MethodPost, "/api/auth/login", nil)
 	response := httptest.NewRecorder()
 	s.ServeHTTP(response, request)
 
@@ -213,7 +213,7 @@ func TestLoginOfNewUser(t *testing.T) {
 	}
 
 	//when
-	request, _ := http.NewRequest(http.MethodPost, "/auth/login", nil)
+	request, _ := http.NewRequest(http.MethodPost, "/api/auth/login", nil)
 	response := httptest.NewRecorder()
 	s.ServeHTTP(response, request)