Upgrading TestApiResource project from .NET Core 2.2 to .NET Core 3.1

Author: Feras Taleb

ApiResourceProjects/TestApiResource/Startup.cs

@@ -25,7 +25,10 @@ public Startup(IConfiguration configuration)
         // This method gets called by the runtime. Use this method to add services to the container.
         public void ConfigureServices(IServiceCollection services)
         {
-            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
+
+
+            //services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
+            services.AddControllers();
 
             services.AddAuthentication("Bearer")
                     .AddJwtBearer("Bearer", options =>
@@ -50,11 +53,11 @@ public void ConfigureServices(IServiceCollection services)
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
         {
             app.UseCors("default");
 
-            if (env.IsDevelopment())
+            if (env.EnvironmentName == "Development")
             {
                 app.UseDeveloperExceptionPage();
             }
@@ -67,7 +70,20 @@ public void Configure(IApplicationBuilder app, IHostingEnvironment env)
             app.UseAuthentication();
 
             app.UseHttpsRedirection();
-            app.UseMvc();
+
+
+            // Added after upgrading to .NET Core 3.1
+            app.UseRouting();
+            app.UseAuthorization();
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapControllerRoute(
+                    name: "default",
+                    pattern: "{controller=Home}/{action=Index}/{id?}");
+            });
+
+            // Removed after upgrading to .NET Core 3.1
+            //app.UseMvc();
         }
     }
 }

ApiResourceProjects/TestApiResource/TestApiResource.csproj

@@ -1,14 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <AspNetCoreHostingModel>InProcess</AspNetCoreHostingModel>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.App" />
-    <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
-    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.2.3" />
+    <!--<PackageReference Include="Microsoft.AspNetCore.App" />
+    <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />-->
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="3.1.0" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.0" />
   </ItemGroup>
 
 </Project>