Added YARP as an API gateway

- It will eventually replace envoy

src/ApiGateways/Yarp/ApiGateway/ApiGateway.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Yarp.ReverseProxy" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\Services\Services.Common\Services.Common.csproj" />
+  </ItemGroup>
+
+</Project>

src/ApiGateways/Yarp/ApiGateway/Program.cs

@@ -0,0 +1,71 @@
+using Services.Common;
+using Yarp.ReverseProxy.Configuration;
+using Yarp.ReverseProxy.Transforms;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.AddServiceDefaults();
+
+var services = new (string, string, string)[]
+{
+    ("c-short", "c", "catalog"),
+    ("c-long", "catalog-api", "catalog"),
+
+    ("b-short", "b", "basket"),
+    ("b-long", "basket-api", "basket"),
+
+    ("o-short", "o", "orders"),
+    ("o-long", "ordering-api", "orders"),
+
+    ("h-long", "hub/notificationhub", "signalr")
+};
+
+var routes = new List<RouteConfig>();
+var clusters = new Dictionary<string, ClusterConfig>();
+var urls = builder.Configuration.GetRequiredSection("Urls");
+
+foreach (var (routeId, prefix, clusterId) in services)
+{
+    var destination = urls.GetRequiredValue(clusterId);
+
+    routes.Add(new()
+    {
+        RouteId = routeId,
+        ClusterId = clusterId,
+        Match = new()
+        {
+            Path = $"/{prefix}/{{**catch-all}}"
+        },
+        Metadata = new Dictionary<string, string>()
+        {
+            ["prefix"] = prefix
+        }
+    });
+
+    clusters[clusterId] = new()
+    {
+        ClusterId = clusterId,
+        Destinations = new Dictionary<string, DestinationConfig>()
+        {
+            { clusterId, new DestinationConfig() { Address = destination } }
+        }
+    };
+}
+
+builder.Services.AddReverseProxy()
+    .LoadFromMemory(routes, clusters.Values.ToList())
+    .AddTransforms(builder =>
+    {
+        if (builder.Route?.Metadata?["prefix"] is string prefix)
+        {
+            builder.AddPathRemovePrefix($"/{prefix}");
+        }
+    });
+
+var app = builder.Build();
+
+app.UseServiceDefaults();
+
+app.MapReverseProxy();
+
+app.Run();

src/ApiGateways/Yarp/ApiGateway/Properties/launchSettings.json

@@ -0,0 +1,22 @@
+{
+  "profiles": {
+    "Gateway.Http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5291",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "Gateway.Https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7132;http://localhost:5291",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

src/ApiGateways/Yarp/ApiGateway/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

src/ApiGateways/Yarp/ApiGateway/appsettings.json

@@ -0,0 +1,16 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "Urls": {
+    "Basket": "http://localhost:5221",
+    "Catalog": "http://localhost:5222",
+    "Orders": "http://localhost:5224",
+    "Identity": "http://localhost:5223",
+    "Signalr": "http://localhost:5225"
+  }
+}

src/Directory.Packages.props

@@ -3,7 +3,6 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
     <CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
   </PropertyGroup>
-
   <ItemGroup>
     <PackageVersion Include="AspNetCore.HealthChecks.AzureServiceBus" Version="6.1.0" />
     <PackageVersion Include="AspNetCore.HealthChecks.AzureStorage" Version="6.1.2" />
@@ -88,5 +87,6 @@
     <PackageVersion Include="System.Reflection.TypeExtensions" Version="4.7.0" />
     <PackageVersion Include="xunit" Version="2.4.2" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="2.4.5" />
+    <PackageVersion Include="Yarp.ReverseProxy" Version="2.0.0" />
   </ItemGroup>
-</Project>
+</Project>

src/Web/WebMVC/appsettings.json

@@ -1,8 +1,5 @@
 {
-  "PurchaseUrl": "http://localhost:5229",
+  "PurchaseUrl": "http://localhost:5291",
-  "CatalogUrl": "http://localhost:5222",
-  "OrderingUrl": "http://localhost:5224",
-  "BasketUrl": "http://localhost:5221",
   "IdentityUrl": "http://localhost:5223",
   "IdentityUrlHC": "http://localhost:5223/hc",
   "CallBackUrl": "http://localhost:5100/",

src/eShopOnContainers-ServicesAndWebApps.sln

@@ -122,10 +122,14 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{373D8AA1
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EventBus.Tests", "BuildingBlocks\EventBus\EventBus.Tests\EventBus.Tests.csproj", "{95D735BE-2899-4495-BE3F-2600E93B4E3C}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Services.Common", "Services\Services.Common\Services.Common.csproj", "{CD430CE4-D5E0-4C96-84F5-AEC9162651B5}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Services.Common", "Services\Services.Common\Services.Common.csproj", "{CD430CE4-D5E0-4C96-84F5-AEC9162651B5}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Common", "Common", "{42B85D0F-2ED6-4C00-91FA-103DACC3D5E2}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Yarp", "Yarp", "{63F5F157-504F-4CE8-86B7-0A6F087BD888}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ApiGateway", "ApiGateways\Yarp\ApiGateway\ApiGateway.csproj", "{98C6B254-E9D0-4401-BF7A-89E87A38B87E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Ad-Hoc|Any CPU = Ad-Hoc|Any CPU
@@ -1532,6 +1536,54 @@ Global
 		{CD430CE4-D5E0-4C96-84F5-AEC9162651B5}.Release|x64.Build.0 = Release|Any CPU
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 		{CD430CE4-D5E0-4C96-84F5-AEC9162651B5}.Release|x86.Build.0 = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|Any CPU.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|Any CPU.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|ARM.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|ARM.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|iPhone.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|iPhone.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|x64.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|x64.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|x86.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Ad-Hoc|x86.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|Any CPU.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|Any CPU.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|ARM.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|ARM.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|iPhone.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|iPhone.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|x64.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|x64.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|x86.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.AppStore|x86.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|ARM.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|iPhone.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|iPhone.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|x64.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Debug|x86.Build.0 = Debug|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|ARM.ActiveCfg = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|ARM.Build.0 = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|iPhone.ActiveCfg = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|iPhone.Build.0 = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|x64.ActiveCfg = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|x64.Build.0 = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|x86.ActiveCfg = Release|Any CPU
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -1590,6 +1642,8 @@ Global
 		{95D735BE-2899-4495-BE3F-2600E93B4E3C} = {373D8AA1-36BE-49EC-89F0-6CB736666285}
 		{CD430CE4-D5E0-4C96-84F5-AEC9162651B5} = {42B85D0F-2ED6-4C00-91FA-103DACC3D5E2}
 		{42B85D0F-2ED6-4C00-91FA-103DACC3D5E2} = {91CF7717-08AB-4E65-B10E-0B426F01E2E8}
+		{63F5F157-504F-4CE8-86B7-0A6F087BD888} = {77849D35-37D4-4802-81DC-9477B2775A40}
+		{98C6B254-E9D0-4401-BF7A-89E87A38B87E} = {63F5F157-504F-4CE8-86B7-0A6F087BD888}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {25728519-5F0F-4973-8A64-0A81EB4EA8D9}