L'injection de dépendances ne fonctionne pas dans la fonction Azure locale

L'injection de dépendances ne parvient pas à s'initialiser pour moi même si cela semble fonctionner pour les membres de mon équipe. Pour tester cela, j'ai créé un projet simple qui inclut l'injection de dépendances (en utilisant ce guide ) et il échoue toujours.

FunctionApp3.csproj

[8/12/2019 6:38:39 AM] Executing HTTP request: {
[8/12/2019 6:38:39 AM]   "requestId": "9ba771f2-0d4d-4773-9d83-eef9ccb849c3",
[8/12/2019 6:38:39 AM]   "method": "GET",
[8/12/2019 6:38:39 AM]   "uri": "/api/Function1"
[8/12/2019 6:38:39 AM] }
[8/12/2019 6:38:40 AM] Executed 'Function1' (Failed, Id=64a341ca-b9ea-40f8-b158-fbef015d7da6)
[8/12/2019 6:38:40 AM] Microsoft.Extensions.DependencyInjection.Abstractions: Unable to resolve service for type 'FunctionApp3.IClass1' while attempting to activate 'FunctionApp3.Function1'.
[8/12/2019 6:38:40 AM] An unhandled host error has occurred.
[8/12/2019 6:38:40 AM] Microsoft.Extensions.DependencyInjection.Abstractions: Unable to resolve service for type 'FunctionApp3.IClass1' while attempting to activate 'FunctionApp3.Function1'.
[8/12/2019 6:38:40 AM] Executed HTTP request: {
[8/12/2019 6:38:40 AM]   "requestId": "9ba771f2-0d4d-4773-9d83-eef9ccb849c3",
[8/12/2019 6:38:40 AM]   "method": "GET",
[8/12/2019 6:38:41 AM]   "uri": "/api/Function1",
[8/12/2019 6:38:41 AM]   "identities": [
[8/12/2019 6:38:41 AM]     {
[8/12/2019 6:38:41 AM]       "type": "WebJobsAuthLevel",
[8/12/2019 6:38:41 AM]       "level": "Admin"
[8/12/2019 6:38:41 AM]     }
[8/12/2019 6:38:41 AM]   ],
[8/12/2019 6:38:41 AM]   "status": 500,
[8/12/2019 6:38:41 AM]   "duration": 1592
[8/12/2019 6:38:41 AM] }

Startup.cs

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       @@         %%%%       @@
         @@      %%%       @@
           @@    %%      @@
                %%
                %

Azure Functions Core Tools (2.7.1505 Commit hash: eb8182995562240ca83dd0e0e3394586cf5fdfa3)
Function Runtime Version: 2.0.12590.0
[8/12/2019 6:38:30 AM] Building host: startup suppressed:False, configuration suppressed: False
[8/12/2019 6:38:31 AM] Initializing Host.
[8/12/2019 6:38:31 AM] Host initialization: ConsecutiveErrors=0, StartupCount=1
[8/12/2019 6:38:31 AM] LoggerFilterOptions
[8/12/2019 6:38:31 AM] {
[8/12/2019 6:38:31 AM]   "MinLevel": "None",
[8/12/2019 6:38:31 AM]   "Rules": [
[8/12/2019 6:38:31 AM]     {
[8/12/2019 6:38:31 AM]       "ProviderName": null,
[8/12/2019 6:38:31 AM]       "CategoryName": null,
[8/12/2019 6:38:31 AM]       "LogLevel": null,
[8/12/2019 6:38:31 AM]       "Filter": "<AddFilter>b__0"
[8/12/2019 6:38:31 AM]     },
[8/12/2019 6:38:31 AM]     {
[8/12/2019 6:38:31 AM]       "ProviderName": "Microsoft.Azure.WebJobs.Script.WebHost.Diagnostics.SystemLoggerProvider",
[8/12/2019 6:38:31 AM]       "CategoryName": null,
[8/12/2019 6:38:31 AM]       "LogLevel": "None",
[8/12/2019 6:38:31 AM]       "Filter": null
[8/12/2019 6:38:31 AM]     },
[8/12/2019 6:38:31 AM]     {
[8/12/2019 6:38:31 AM]       "ProviderName": "Microsoft.Azure.WebJobs.Script.WebHost.Diagnostics.SystemLoggerProvider",
[8/12/2019 6:38:31 AM]       "CategoryName": null,
[8/12/2019 6:38:31 AM]       "LogLevel": null,
[8/12/2019 6:38:31 AM]       "Filter": "<AddFilter>b__0"
[8/12/2019 6:38:31 AM]     }
[8/12/2019 6:38:31 AM]   ]
[8/12/2019 6:38:31 AM] }
[8/12/2019 6:38:31 AM] FunctionResultAggregatorOptions
[8/12/2019 6:38:31 AM] {
[8/12/2019 6:38:31 AM]   "BatchSize": 1000,
[8/12/2019 6:38:31 AM]   "FlushTimeout": "00:00:30",
[8/12/2019 6:38:31 AM]   "IsEnabled": true
[8/12/2019 6:38:31 AM] }
[8/12/2019 6:38:31 AM] SingletonOptions
[8/12/2019 6:38:31 AM] {
[8/12/2019 6:38:31 AM]   "LockPeriod": "00:00:15",
[8/12/2019 6:38:31 AM]   "ListenerLockPeriod": "00:00:15",
[8/12/2019 6:38:31 AM]   "LockAcquisitionTimeout": "10675199.02:48:05.4775807",
[8/12/2019 6:38:31 AM]   "LockAcquisitionPollingInterval": "00:00:05",
[8/12/2019 6:38:31 AM]   "ListenerLockRecoveryPollingInterval": "00:01:00"
[8/12/2019 6:38:31 AM] }
[8/12/2019 6:38:31 AM] Starting JobHost
[8/12/2019 6:38:31 AM] Starting Host (HostId=hatch0000299-876386545, InstanceId=59950e48-2bcb-4bdc-b803-555c91e0f068, Version=2.0.12590.0, ProcessId=31024, AppDomainId=1, InDebugMode=False, InDiagnosticMode=False, FunctionsExtensionVersion=)
[8/12/2019 6:38:31 AM] Loading functions metadata
[8/12/2019 6:38:32 AM] 1 functions loaded
[8/12/2019 6:38:32 AM] Generating 1 job function(s)
[8/12/2019 6:38:32 AM] Found the following functions:
[8/12/2019 6:38:32 AM] FunctionApp3.Function1.Run
[8/12/2019 6:38:32 AM]
[8/12/2019 6:38:32 AM] Host initialized (718ms)
[8/12/2019 6:38:32 AM] Host started (739ms)
[8/12/2019 6:38:32 AM] Job host started
Hosting environment: Production
Content root path: C:\Users\alan90960\source\repos\FunctionApp3\FunctionApp3\bin\Debug\netcoreapp2.2
Now listening on: http://0.0.0.0:7071
Application started. Press Ctrl+C to shut down.

Http Functions:

        Function1: [GET,POST] http://localhost:7071/api/Function1

[8/12/2019 6:38:37 AM] Host lock lease acquired by instance ID '000000000000000000000000BC4F0480'.

Classe1.cs

using System;
using System.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Azure.WebJobs;
using Microsoft.Azure.WebJobs.Extensions.Http;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
namespace FunctionApp3
{
    public class Function1
    {
        public Function1(IClass1 class1)
        {
        }

        [FunctionName("Function1")]
        public async Task<IActionResult> Run(
            [HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
            ILogger log)
        {

            log.LogInformation("C# HTTP trigger function processed a request.");

            string name = req.Query["name"];

            string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
            dynamic data = JsonConvert.DeserializeObject(requestBody);
            name = name ?? data?.name;

            return (ActionResult)new OkObjectResult($"Hello, {name}");
        }
    }
}

Fonction1.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace FunctionApp3
{
    public interface IClass1
    {
        string Name { get; set; }
    }
    class Class1 : IClass1
    {
        public string Name { get; set; }
    }
}

La fonction démarre OK, avec le journal suivant:

using Microsoft.Azure.Functions.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection;
using FunctionApp3;
[assembly: FunctionsStartup(typeof(Startup))]
namespace FunctionApp3
{
    public class Startup : FunctionsStartup
    {
        public override void Configure(IFunctionsHostBuilder builder)
        {
            builder.Services.AddSingleton<IClass1, Class1>();
        }
    }
}

Mais échoue ensuite lorsque je déclenche la fonction:

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFramework>netcoreapp2.2</TargetFramework>
    <AzureFunctionsVersion>v2</AzureFunctionsVersion>
  </PropertyGroup>
  <ItemGroup>
    <PackageReference Include="Microsoft.Azure.Functions.Extensions" Version="1.0.0" />
    <PackageReference Include="Microsoft.NET.Sdk.Functions" Version="1.0.29" />
  </ItemGroup>
  <ItemGroup>
    <None Update="host.json">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
    </None>
    <None Update="local.settings.json">
      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
      <CopyToPublishDirectory>Never</CopyToPublishDirectory>
    </None>
  </ItemGroup>
</Project>

J'ai essayé de définir un point d'arrêt dans Startup.cs et il n'est pas touché. Si je n'utilise pas d'injections de dépendances, un point d'arrêt est atteint dans la fonction.

J'ai essayé d'utiliser netcoreapp2.2 et netcoreapp2.1 et j'ai également réparé Visual Studio. Veuillez aider.