Microsoft.Extensions.Configuration.EnvironmentVariables 8.0.0-rc.2.23479.6

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.
1,048
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
249
OpenTelemetry
OpenTelemetry .NET SDK
38
Microsoft.AspNetCore
Microsoft.AspNetCore
34
Microsoft.Extensions.Logging.AzureAppServices
Logger implementation to support Azure App Services 'Diagnostics logs' and 'Log stream' features. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/06b2bc111203f9b9ff0914a7715675a9a66bdac9
33
Microsoft.AspNetCore.AzureAppServices.HostingStartup
ASP.NET Core lightup integration with Azure AppServices. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/8e941eb42f819adb116b881195158b3887a70a1c
32
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
31
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/5502cf46706a25c39ce78a57b9191714c0eb40c2
31
Microsoft.AspNetCore
Microsoft.AspNetCore
30
Microsoft.Extensions.Logging.AzureAppServices
Logger implementation to support Azure App Services 'Diagnostics logs' and 'Log stream' features. This package was built from the source code at https://github.com/dotnet/dotnet/tree/fad253f51b461736dfd3cd9c15977bb7493becef
29
Microsoft.AspNetCore
Microsoft.AspNetCore
29
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
29
Microsoft.AspNetCore.AzureAppServices.HostingStartup
ASP.NET Core lightup integration with Azure AppServices.
29
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
29
Microsoft.AspNetCore
Microsoft.AspNetCore
28
Microsoft.Identity.Client.Extensions.Msal
This package contains extensions to Microsoft Authentication Library for .NET (MSAL.NET)
28
Microsoft.Extensions.Logging.AzureAppServices
Logger implementation to support Azure App Services 'Diagnostics logs' and 'Log stream' features. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/d6f154cca3863703cf87c8b840eea9cbe20229b2
28
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
28

.NET Framework 4.6.2

.NET 6.0

.NET 7.0

.NET 8.0

.NET Standard 2.0

Version Downloads Last updated
11.0.0-preview.4.26230.115 13 05/14/2026
11.0.0-preview.3.26207.106 20 04/15/2026
11.0.0-preview.2.26159.112 18 03/13/2026
11.0.0-preview.1.26104.118 20 02/13/2026
10.0.8 9 05/14/2026
10.0.7 242 04/23/2026
10.0.6 16 04/15/2026
10.0.5 20 03/14/2026
10.0.4 18 03/11/2026
10.0.3 22 02/14/2026
10.0.2 27 01/15/2026
10.0.1 26 12/11/2025
10.0.0 20 12/18/2025
10.0.0-rc.2.25502.107 17 12/21/2025
10.0.0-rc.1.25451.107 21 12/09/2025
10.0.0-preview.7.25380.108 23 12/15/2025
10.0.0-preview.6.25358.103 21 12/19/2025
10.0.0-preview.5.25277.114 19 12/11/2025
10.0.0-preview.4.25258.110 19 12/12/2025
10.0.0-preview.3.25171.5 27 12/21/2025
10.0.0-preview.2.25163.2 15 12/16/2025
10.0.0-preview.1.25080.5 18 12/14/2025
9.0.16 8 05/14/2026
9.0.15 17 04/16/2026
9.0.14 25 03/11/2026
9.0.13 20 02/12/2026
9.0.12 24 01/15/2026
9.0.11 25 12/18/2025
9.0.10 24 12/21/2025
9.0.9 21 12/20/2025
9.0.8 19 12/20/2025
9.0.7 21 12/20/2025
9.0.6 21 12/20/2025
9.0.5 24 12/13/2025
9.0.4 23 12/14/2025
9.0.3 23 12/20/2025
9.0.2 22 12/20/2025
9.0.1 27 12/13/2025
9.0.0 24 12/15/2025
9.0.0-rc.2.24473.5 21 12/21/2025
9.0.0-rc.1.24431.7 16 12/15/2025
9.0.0-preview.7.24405.7 22 12/14/2025
9.0.0-preview.6.24327.7 19 12/15/2025
9.0.0-preview.5.24306.7 21 12/14/2025
9.0.0-preview.4.24266.19 30 12/13/2025
9.0.0-preview.3.24172.9 19 12/14/2025
9.0.0-preview.2.24128.5 22 12/14/2025
9.0.0-preview.1.24080.9 20 12/21/2025
8.0.0 1,050 12/10/2025
8.0.0-rc.2.23479.6 21 12/14/2025
8.0.0-rc.1.23419.4 24 12/15/2025
8.0.0-preview.7.23375.6 20 12/14/2025
8.0.0-preview.6.23329.7 22 12/14/2025
8.0.0-preview.5.23280.8 20 12/21/2025
8.0.0-preview.4.23259.5 21 12/14/2025
8.0.0-preview.3.23174.8 19 12/14/2025
8.0.0-preview.2.23128.3 25 12/15/2025
8.0.0-preview.1.23110.8 20 12/14/2025
7.0.0 22 12/16/2025
7.0.0-rc.2.22472.3 23 12/15/2025
7.0.0-rc.1.22426.10 14 12/21/2025
7.0.0-preview.7.22375.6 18 12/14/2025
7.0.0-preview.6.22324.4 20 12/12/2025
7.0.0-preview.5.22301.12 21 12/21/2025
7.0.0-preview.4.22229.4 20 12/14/2025
7.0.0-preview.3.22175.4 18 12/21/2025
7.0.0-preview.2.22152.2 21 12/21/2025
7.0.0-preview.1.22076.8 18 12/21/2025
6.0.2 21 12/11/2025
6.0.2-mauipre.1.22102.15 22 12/14/2025
6.0.2-mauipre.1.22054.8 15 12/13/2025
6.0.1 24 12/14/2025
6.0.0 22 12/11/2025
6.0.0-rc.2.21480.5 19 12/15/2025
6.0.0-rc.1.21451.13 23 12/15/2025
6.0.0-preview.7.21377.19 17 12/14/2025
6.0.0-preview.6.21352.12 22 12/10/2025
6.0.0-preview.5.21301.5 24 12/10/2025
6.0.0-preview.4.21253.7 17 12/14/2025
6.0.0-preview.3.21201.4 24 12/14/2025
6.0.0-preview.2.21154.6 18 12/21/2025
6.0.0-preview.1.21102.12 17 12/14/2025
5.0.0 24 12/17/2025
5.0.0-rc.2.20475.5 15 12/17/2025
5.0.0-rc.1.20451.14 22 12/15/2025
5.0.0-preview.8.20407.11 18 12/14/2025
5.0.0-preview.7.20364.11 26 12/13/2025
5.0.0-preview.6.20305.6 23 12/13/2025
5.0.0-preview.5.20278.1 21 12/21/2025
5.0.0-preview.4.20251.6 21 12/13/2025
5.0.0-preview.3.20215.2 20 12/21/2025
5.0.0-preview.2.20160.3 23 12/14/2025
5.0.0-preview.1.20120.4 20 12/13/2025
3.1.32 18 12/14/2025
3.1.31 22 12/17/2025
3.1.30 23 12/14/2025
3.1.29 18 12/15/2025
3.1.28 20 12/21/2025
3.1.27 20 12/21/2025
3.1.26 18 12/11/2025
3.1.25 23 12/11/2025
3.1.24 15 12/21/2025
3.1.23 20 12/11/2025
3.1.22 24 12/09/2025
3.1.21 22 12/14/2025
3.1.20 18 12/13/2025
3.1.19 20 12/11/2025
3.1.18 21 12/11/2025
3.1.17 18 12/21/2025
3.1.16 20 12/12/2025
3.1.15 25 12/21/2025
3.1.14 22 12/13/2025
3.1.13 22 12/13/2025
3.1.12 16 12/14/2025
3.1.11 17 12/18/2025
3.1.10 20 12/18/2025
3.1.9 24 12/17/2025
3.1.8 23 12/16/2025
3.1.7 19 12/18/2025
3.1.6 21 12/20/2025
3.1.5 25 12/15/2025
3.1.4 15 12/12/2025
3.1.3 16 12/11/2025
3.1.2 22 12/13/2025
3.1.1 18 12/15/2025
3.1.0 18 12/10/2025
3.1.0-preview3.19553.2 16 12/21/2025
3.1.0-preview2.19525.4 18 12/21/2025
3.1.0-preview1.19506.1 18 12/21/2025
3.0.3 14 12/21/2025
3.0.2 23 12/15/2025
3.0.1 22 12/19/2025
3.0.0 24 12/10/2025
3.0.0-rc1.19456.10 23 12/15/2025
3.0.0-preview9.19423.4 22 12/15/2025
3.0.0-preview8.19405.4 20 12/15/2025
3.0.0-preview7.19362.4 22 12/15/2025
3.0.0-preview6.19304.6 21 12/15/2025
3.0.0-preview5.19227.9 19 12/21/2025
3.0.0-preview4.19216.2 15 12/21/2025
3.0.0-preview3.19153.1 18 12/20/2025
3.0.0-preview.19074.2 19 12/21/2025
3.0.0-preview.18572.1 18 12/21/2025
2.2.4 18 12/21/2025
2.2.0 25 12/19/2025
2.2.0-preview3-35497 22 12/14/2025
2.2.0-preview2-35157 19 12/21/2025
2.2.0-preview1-35029 17 12/21/2025
2.1.1 19 12/21/2025
2.1.0 17 12/19/2025
2.1.0-rc1-final 16 12/21/2025
2.1.0-preview2-final 17 12/14/2025
2.1.0-preview1-final 21 12/11/2025
2.0.2 15 12/21/2025
2.0.1 17 12/21/2025
2.0.0 17 12/15/2025
2.0.0-preview2-final 21 12/21/2025
2.0.0-preview1-final 19 12/21/2025
1.1.2 17 12/19/2025
1.1.1 24 12/21/2025
1.1.0 24 12/13/2025
1.1.0-preview1-final 21 12/21/2025
1.0.2 22 12/21/2025
1.0.1 24 12/14/2025
1.0.0 20 12/13/2025
1.0.0-rc2-final 19 12/11/2025
1.0.0-rc1-final 21 12/21/2025