ASP.NET Core 3's new Host class resolves hosted services much earlier in the pipeline. This forced the .AddSimpleInjector extension method to add an IHostedService that ensured that the IServiceProvider was assigned to Simple Injector before such resolve takes place. This ensured that that hosted service can be injected with cross-wired dependencies.
Unfortunately, Azure Functions do not support hosted services and will throw an exception when any IHostedService is registered.
This means the addition of this hosted service by .AddSimpleInjector must be made conditional, such that Simple Injector's service collection integration can be used more easily with Azure functions.
Proposal:
services.AddSimpleInjector(this.container, options =>
{
options.EnableHostedServiceResolution = false; // Not supported by Azure Functions.
...
});
dotnetjunkie
commented
3 years ago
ASP.NET Core 3's new Host class resolves hosted services much earlier in the pipeline. This forced the
.AddSimpleInjectorextension method to add anIHostedServicethat ensured that theIServiceProviderwas assigned to Simple Injector before such resolve takes place. This ensured that that hosted service can be injected with cross-wired dependencies.Unfortunately, Azure Functions do not support hosted services and will throw an exception when any
IHostedServiceis registered.This means the addition of this hosted service by
.AddSimpleInjectormust be made conditional, such that Simple Injector's service collection integration can be used more easily with Azure functions.Proposal: