public void Configure()

in dotnet/dotnet-guestbook/src/frontend/Startup.cs [44:96]
37 lines of code
4 McCabe index (conditional complexity)

        public void Configure(IApplicationBuilder app,  IWebHostEnvironment env, ILogger<Startup> logger)
        {
            // GUESTBOOK_API_ADDR environment variable is provided in guestbook-frontend.deployment.yaml.
            var backendAddr = Environment.GetEnvironmentVariable("GUESTBOOK_API_ADDR");
            logger.LogInformation($"Backend address is set to {backendAddr}");
            if (string.IsNullOrEmpty(backendAddr))
            {
                throw new ArgumentException("GUESTBOOK_API_ADDR environment variable is not set");
            }

            // PORT environment variable is provided in guestbook-frontend.deployment.yaml.
            var port = Environment.GetEnvironmentVariable("PORT");
            logger.LogInformation($"Port env var is set to {port}");
            if (string.IsNullOrEmpty(port))
            {
                throw new ArgumentException("PORT environment variable is not set");
            }

            // Set the address of the backend microservice
            envConfig.BackendAddress = $"http://{backendAddr}:{port}/messages";


            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }

            app.UseStaticFiles();
            app.UseCookiePolicy();

            app.UseRouting();

            app.UseEndpoints(endpoints =>
            {
                // endpoints.MapControllerRoute(
                //     name: "postRoute",
                //     pattern: "{controller=Home}/{action=Post}/");

                endpoints.MapControllerRoute(
                    name: "postRoute",
                    pattern: "{controller}/post",
                    defaults: new { controller = "Home", action = "Post" });

                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Home}/{action=Index}/{id?}");
            });

        }