Microsoft.Extensions.Configuration.EnvironmentVariables 10.0.0-rc.2.25502.107

About

Environment variables configuration provider implementation for Microsoft.Extensions.Configuration. This package enables you to read configuration parameters from environment variables. You can use EnvironmentVariablesExtensions.AddEnvironmentVariables extension method on IConfigurationBuilder to add the environment variables configuration provider to the configuration builder.

How to Use

The following example shows how to read application configuration from environment variables.

using System;
using Microsoft.Extensions.Configuration;

class Program
{
    static void Main()
    {
        // Build a configuration object from environment variables
        IConfiguration config = new ConfigurationBuilder()
            .AddEnvironmentVariables()
            .Build();
        
        // Read configuration values
        Console.WriteLine($"Server: {config["Server"]}");
        Console.WriteLine($"Database: {config["Database"]}");
    }
}

Additional Documentation

Feedback & Contributing

Microsoft.Extensions.Configuration.EnvironmentVariables is released as open source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

Showing the top 20 packages that depend on Microsoft.Extensions.Configuration.EnvironmentVariables.

Packages Downloads
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
 2,480
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
 2,457
Microsoft.AspNetCore.Hosting
ASP.NET Core hosting infrastructure and startup logic for web applications. This package was built from the source code at https://github.com/aspnet/AspNetCore/tree/be0a4a7f4cf06cbd6ec714bd1d9afee6bdb040a8
 89
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
 79
Microsoft.AspNetCore
Microsoft.AspNetCore
 76
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
 74
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
 73
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications. When using NuGet 3.x this package requires at least version 3.4.
 71
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
 71
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
 69
Microsoft.AspNetCore.Hosting
ASP.NET Core hosting infrastructure and startup logic for web applications. This package was built from the source at: https://github.com/aspnet/Hosting/tree/c3edce8e8a19a1e2e58fd21a986271b88071e6ba
 68
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
 68
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
 67
Microsoft.AspNetCore
Microsoft.AspNetCore
 65
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications. When using NuGet 3.x this package requires at least version 3.4.
 65
Microsoft.Identity.Client.Extensions.Msal
This package contains extensions to Microsoft Authentication Library for .NET (MSAL.NET)
 65
Microsoft.AspNetCore.AzureAppServices.HostingStartup
ASP.NET Core lightup integration with Azure AppServices. This package was built from the source code at https://github.com/aspnet/AspNetCore/tree/1f050242559e7b90ff6c4ee7f99d92b3a5af5a62
 65
Microsoft.AspNetCore
Microsoft.AspNetCore
 64

https://go.microsoft.com/fwlink/?LinkID=799421

.NET Framework 4.6.2

.NET 8.0

.NET 9.0

.NET 10.0

.NET Standard 2.0

Version Downloads Last updated
10.0.0-rc.2.25502.107 2 10/14/2025
10.0.0-rc.1.25451.107 3 09/11/2025
10.0.0-preview.7.25380.108 10 08/14/2025
10.0.0-preview.6.25358.103 13 07/17/2025
10.0.0-preview.5.25277.114 16 06/14/2025
10.0.0-preview.4.25258.110 18 05/15/2025
10.0.0-preview.3.25171.5 20 04/13/2025
10.0.0-preview.2.25163.2 23 03/25/2025
10.0.0-preview.1.25080.5 22 02/25/2025
9.0.10 2 10/14/2025
9.0.9 9 09/11/2025
9.0.8 8 08/07/2025
9.0.7 9 07/13/2025
9.0.6 17 06/12/2025
9.0.5 18 05/17/2025
9.0.4 23 04/11/2025
9.0.3 25 03/14/2025
9.0.2 21 02/16/2025
9.0.1 32 01/19/2025
9.0.0 34 11/13/2024
9.0.0-rc.2.24473.5 27 10/09/2024
9.0.0-rc.1.24431.7 39 09/17/2024
9.0.0-preview.7.24405.7 37 08/15/2024
9.0.0-preview.6.24327.7 41 07/10/2024
9.0.0-preview.5.24306.7 35 06/13/2024
9.0.0-preview.4.24266.19 37 05/23/2024
9.0.0-preview.3.24172.9 52 04/13/2024
9.0.0-preview.2.24128.5 39 03/25/2024
9.0.0-preview.1.24080.9 37 03/10/2024
8.0.0 2,454 11/17/2023
8.0.0-rc.2.23479.6 44 10/22/2023
8.0.0-rc.1.23419.4 51 09/14/2023
8.0.0-preview.7.23375.6 59 08/17/2023
8.0.0-preview.6.23329.7 50 08/08/2023
8.0.0-preview.5.23280.8 40 06/28/2023
8.0.0-preview.4.23259.5 53 06/23/2023
8.0.0-preview.3.23174.8 51 04/23/2023
8.0.0-preview.2.23128.3 47 07/10/2023
8.0.0-preview.1.23110.8 48 04/23/2023
7.0.0 56 01/23/2023
7.0.0-rc.2.22472.3 50 07/07/2023
7.0.0-rc.1.22426.10 53 07/08/2023
7.0.0-preview.7.22375.6 43 11/19/2022
7.0.0-preview.6.22324.4 46 12/03/2022
7.0.0-preview.5.22301.12 53 11/09/2022
7.0.0-preview.4.22229.4 45 04/18/2023
7.0.0-preview.3.22175.4 48 07/14/2023
7.0.0-preview.2.22152.2 54 04/11/2023
7.0.0-preview.1.22076.8 59 11/04/2022
6.0.2 37 11/13/2024
6.0.2-mauipre.1.22102.15 50 04/10/2023
6.0.2-mauipre.1.22054.8 45 04/14/2023
6.0.1 54 06/07/2022
6.0.0 2,478 12/15/2021
6.0.0-rc.2.21480.5 49 07/11/2023
6.0.0-rc.1.21451.13 46 07/08/2023
6.0.0-preview.7.21377.19 51 12/30/2022
6.0.0-preview.6.21352.12 49 10/06/2022
6.0.0-preview.5.21301.5 53 04/27/2023
6.0.0-preview.4.21253.7 49 10/31/2022
6.0.0-preview.3.21201.4 50 12/25/2022
6.0.0-preview.2.21154.6 50 03/02/2023
6.0.0-preview.1.21102.12 54 05/06/2023
5.0.0 52 12/15/2022
5.0.0-rc.2.20475.5 43 11/04/2022
5.0.0-rc.1.20451.14 52 04/15/2023
5.0.0-preview.8.20407.11 45 07/12/2023
5.0.0-preview.7.20364.11 49 12/23/2022
5.0.0-preview.6.20305.6 56 07/07/2023
5.0.0-preview.5.20278.1 52 04/29/2023
5.0.0-preview.4.20251.6 48 11/21/2022
5.0.0-preview.3.20215.2 49 07/09/2023
5.0.0-preview.2.20160.3 49 05/22/2023
5.0.0-preview.1.20120.4 48 12/29/2022
3.1.32 55 04/01/2023
3.1.31 50 02/16/2023
3.1.30 50 03/12/2023
3.1.29 50 01/16/2023
3.1.28 70 12/19/2022
3.1.27 45 02/26/2023
3.1.26 52 07/14/2023
3.1.25 52 04/02/2023
3.1.24 48 02/24/2023
3.1.23 45 05/05/2023
3.1.22 52 04/09/2023
3.1.21 51 12/21/2022
3.1.20 45 03/30/2023
3.1.19 51 12/28/2022
3.1.18 48 11/27/2022
3.1.17 47 12/23/2022
3.1.16 48 12/18/2022
3.1.15 49 12/27/2022
3.1.14 49 12/28/2022
3.1.13 50 12/17/2022
3.1.12 54 11/11/2022
3.1.11 42 06/11/2022
3.1.10 51 12/28/2022
3.1.9 45 01/30/2023
3.1.8 52 02/22/2023
3.1.7 52 02/24/2023
3.1.6 44 02/10/2023
3.1.5 47 02/14/2023
3.1.4 49 12/30/2022
3.1.3 50 12/11/2022
3.1.2 57 02/21/2023
3.1.1 99 12/24/2022
3.1.0 48 12/21/2022
3.1.0-preview3.19553.2 49 07/10/2023
3.1.0-preview2.19525.4 45 07/09/2023
3.1.0-preview1.19506.1 41 07/08/2023
3.0.3 52 12/30/2022
3.0.2 50 12/31/2022
3.0.1 53 12/17/2022
3.0.0 47 12/25/2022
3.0.0-rc1.19456.10 49 07/11/2023
3.0.0-preview9.19423.4 47 07/09/2023
3.0.0-preview8.19405.4 49 05/14/2023
3.0.0-preview7.19362.4 39 07/09/2023
3.0.0-preview6.19304.6 54 10/13/2022
3.0.0-preview5.19227.9 50 07/09/2023
3.0.0-preview4.19216.2 48 07/07/2023
3.0.0-preview3.19153.1 46 07/11/2023
3.0.0-preview.19074.2 50 05/12/2023
3.0.0-preview.18572.1 43 07/09/2023
2.2.4 52 02/02/2023
2.2.0 55 12/28/2022
2.2.0-preview3-35497 60 10/20/2022
2.2.0-preview2-35157 46 04/23/2023
2.2.0-preview1-35029 55 10/13/2022
2.1.1 51 06/07/2022
2.1.0 49 12/18/2022
2.1.0-rc1-final 43 04/14/2023
2.1.0-preview2-final 53 12/31/2022
2.1.0-preview1-final 49 12/11/2022
2.0.2 52 12/21/2022
2.0.1 50 12/21/2022
2.0.0 53 06/07/2022
2.0.0-preview2-final 44 04/21/2023
2.0.0-preview1-final 54 12/14/2022
1.1.2 49 03/22/2023
1.1.1 46 12/25/2022
1.1.0 48 02/22/2023
1.1.0-preview1-final 45 01/26/2023
1.0.2 47 12/21/2022
1.0.1 45 12/11/2022
1.0.0 43 12/15/2022
1.0.0-rc2-final 51 03/04/2023
1.0.0-rc1-final 51 12/21/2022