#262 added working eureka sample (#333)

samples/OcelotEureka/ApiGateway/ApiGateway.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="wwwroot\" />
+  </ItemGroup>
+  
+  <ItemGroup>
+    <None Update="ocelot.json;appsettings.json">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.6" />
+    <PackageReference Include="Ocelot" Version="5.5.7" />
+  </ItemGroup>
+
+</Project>

samples/OcelotEureka/ApiGateway/Program.cs

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+namespace ApiGateway
+{
+    using Microsoft.AspNetCore;
+    using Microsoft.AspNetCore.Hosting;
+    using Microsoft.Extensions.Configuration;
+    using Ocelot.DependencyInjection;
+    using Ocelot.Middleware;
+
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            BuildWebHost(args).Run();
+        }
+
+        public static IWebHost BuildWebHost(string[] args) =>
+            WebHost.CreateDefaultBuilder(args)
+                .UseUrls("http://localhost:5000")
+                .ConfigureAppConfiguration((hostingContext, config) =>
+                {
+                    config
+                        .SetBasePath(hostingContext.HostingEnvironment.ContentRootPath)
+                        .AddJsonFile("appsettings.json", true, true)
+                        .AddJsonFile($"appsettings.{hostingContext.HostingEnvironment.EnvironmentName}.json", true, true)
+                        .AddJsonFile("ocelot.json")
+                        .AddEnvironmentVariables();
+                })
+                .ConfigureServices(s =>
+                {
+                    s.AddOcelot();
+                })
+                .Configure(a =>
+                {
+                    a.UseOcelot().Wait();
+                })
+                .Build();
+    }
+}

samples/OcelotEureka/ApiGateway/Properties/launchSettings.json

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+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:54060/",
+      "sslPort": 0
+    }
+  },
+  "profiles": {
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "ApiGateway": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      },
+      "applicationUrl": "http://localhost:54061/"
+    }
+  }
+}

samples/OcelotEureka/ApiGateway/appsettings.json

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+{
+  "Logging": {
+    "IncludeScopes": true,
+    "LogLevel": {
+      "Default": "Trace",
+      "System": "Information",
+      "Microsoft": "Information"
+    }
+  },
+  "spring": {
+    "application": { "name": "Ocelot-Gateway" },
+    "cloud": {
+      "config": {
+        "uri": "http://localhost:5000",
+        "validateCertificates": false
+      }
+    }
+  },
+  "eureka": {
+    "client": {
+      "serviceUrl": "http://localhost:8761/eureka/",
+      "shouldRegisterWithEureka": false,
+      "validateCertificates": false
+    }
+  }
+}

samples/OcelotEureka/ApiGateway/ocelot.json

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+{
+  "ReRoutes": [
+    {
+      "DownstreamPathTemplate": "/api/Category",
+      "DownstreamScheme": "http",
+      "UpstreamPathTemplate": "/Category",
+      "UseServiceDiscovery": true,
+      "ServiceName": "ncore-rat",
+      "UpstreamHttpMethod": [ "Get" ],
+      "QoSOptions": {
+        "ExceptionsAllowedBeforeBreaking": 3,
+        "DurationOfBreak": 10000,
+        "TimeoutValue": 5000
+      },
+      "FileCacheOptions": { "TtlSeconds": 15 }
+    }
+  ],
+  "GlobalConfiguration": {
+    "RequestIdKey": "OcRequestId",
+    "AdministrationPath": "/administration",
+    "ServiceDiscoveryProvider": { "Type": "Eureka" }
+  }
+}