Multiple configuration json files using Host.CreateDefaultBuilder

Question

In a console application, I'm using the following setup:

IHost host = Host.CreateDefaultBuilder()
    .ConfigureServices((context, services) =>
    {
        services.AddSingleton<Program>();
        string someConfigItem = context.Configuration["SomeConfigItem"];
    })
    .Build();

host.Services.GetRequiredService<Program>().Go();

This automatically reads from appsettings.json without having to explicitly use a configuration builder or anything like that.

What if I want to add an additional JSON file? With the configuration builder, you can just add multiple files by just calling .AddJsonFile() multiple times, but I can't seem to find a place to do add more files here.

spzvtbg · Accepted Answer · 2022-01-06 16:59:48Z

7

I thing this is the right place to adding another configuration files:

using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

IHost host = Host
    .CreateDefaultBuilder()
    .ConfigureAppConfiguration(x => x.AddJsonFile("..." /*..., ...*/))
    //.ConfigureHostConfiguration(x => x.AddJsonFile("..." /*..., ...*/))
    .ConfigureServices((context, services) =>
    {
        services.AddSingleton<Program>();
        string someConfigItem = context.Configuration["SomeConfigItem"];
    })
    .Build();

edited Jan 6, 2022 at 16:59

answered Jan 6, 2022 at 16:56

spzvtbg

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1 Comment

Joe Enos Over a year ago

Works perfectly, thank you!

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