Microsoft.Extensions.Configuration.EnvironmentVariables 9.0.2

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.AspNetCore
Microsoft.AspNetCore
30
Microsoft.AspNetCore
Microsoft.AspNetCore
28
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
27
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
27
Microsoft.Extensions.Logging.AzureAppServices
Logger implementation to support Azure App Services 'Diagnostics logs' and 'Log stream' features.
27
Microsoft.AspNetCore.Hosting
ASP.NET Core hosting infrastructure and startup logic for web applications.
26
Microsoft.AspNetCore
Microsoft.AspNetCore
26
Microsoft.Extensions.Logging.AzureAppServices
Logger implementation to support Azure App Services 'Diagnostics logs' and 'Log stream' features.
26
Microsoft.AspNetCore.All
Provides a default set of APIs for building an ASP.NET Core application, and also includes API for third-party integrations with ASP.NET Core. This package requires the ASP.NET Core runtime. This runtime is installed by the .NET Core SDK, or can be acquired separately using installers available at https://aka.ms/dotnet-download.
26
Microsoft.AspNetCore
Microsoft.AspNetCore
25
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
25

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

Version Downloads Last updated
10.0.0-preview.3.25171.5 1 4/15/2025
10.0.0-preview.2.25163.2 2 4/2/2025
10.0.0-preview.1.25080.5 6 3/1/2025
9.0.4 1 4/15/2025
9.0.3 3 3/12/2025
9.0.2 5 2/20/2025
9.0.1 5 2/20/2025
9.0.0 6 12/30/2024
9.0.0-rc.2.24473.5 9 10/8/2024
9.0.0-rc.1.24431.7 14 9/11/2024
9.0.0-preview.7.24405.7 10 8/13/2024
9.0.0-preview.6.24327.7 11 8/2/2024
9.0.0-preview.5.24306.7 14 8/5/2024
9.0.0-preview.4.24266.19 11 6/28/2024
9.0.0-preview.3.24172.9 18 4/16/2024
9.0.0-preview.2.24128.5 18 4/18/2024
9.0.0-preview.1.24080.9 15 3/9/2024
8.0.0 17 3/9/2024
8.0.0-rc.2.23479.6 14 3/9/2024
8.0.0-rc.1.23419.4 17 3/9/2024
8.0.0-preview.7.23375.6 14 3/9/2024
8.0.0-preview.6.23329.7 12 3/9/2024
8.0.0-preview.5.23280.8 13 3/9/2024
8.0.0-preview.4.23259.5 13 3/9/2024
8.0.0-preview.3.23174.8 14 3/9/2024
8.0.0-preview.2.23128.3 18 3/9/2024
8.0.0-preview.1.23110.8 14 3/9/2024
7.0.0 16 3/9/2024
7.0.0-rc.2.22472.3 14 3/9/2024
7.0.0-rc.1.22426.10 13 3/9/2024
7.0.0-preview.7.22375.6 12 3/9/2024
7.0.0-preview.6.22324.4 14 3/9/2024
7.0.0-preview.5.22301.12 18 3/9/2024
7.0.0-preview.4.22229.4 17 3/9/2024
7.0.0-preview.3.22175.4 17 3/9/2024
7.0.0-preview.2.22152.2 16 3/9/2024
7.0.0-preview.1.22076.8 15 3/9/2024
6.0.2 4 2/20/2025
6.0.2-mauipre.1.22102.15 12 3/9/2024
6.0.2-mauipre.1.22054.8 18 3/9/2024
6.0.1 15 3/9/2024
6.0.0 15 3/9/2024
6.0.0-rc.2.21480.5 15 3/9/2024
6.0.0-rc.1.21451.13 18 3/9/2024
6.0.0-preview.7.21377.19 15 3/9/2024
6.0.0-preview.6.21352.12 16 3/9/2024
6.0.0-preview.5.21301.5 13 3/9/2024
6.0.0-preview.4.21253.7 17 3/9/2024
6.0.0-preview.3.21201.4 16 3/9/2024
6.0.0-preview.2.21154.6 13 3/9/2024
6.0.0-preview.1.21102.12 18 3/9/2024
5.0.0 12 4/12/2022
5.0.0-rc.2.20475.5 14 3/9/2024
5.0.0-rc.1.20451.14 11 3/9/2024
5.0.0-preview.8.20407.11 11 3/9/2024
5.0.0-preview.7.20364.11 13 3/9/2024
5.0.0-preview.6.20305.6 16 3/9/2024
5.0.0-preview.5.20278.1 19 3/9/2024
5.0.0-preview.4.20251.6 19 3/9/2024
5.0.0-preview.3.20215.2 16 3/9/2024
5.0.0-preview.2.20160.3 13 3/9/2024
5.0.0-preview.1.20120.4 15 3/9/2024
3.1.32 17 3/9/2024
3.1.31 13 3/9/2024
3.1.30 13 3/9/2024
3.1.29 16 3/9/2024
3.1.28 14 3/9/2024
3.1.27 15 3/9/2024
3.1.26 18 3/9/2024
3.1.25 16 3/9/2024
3.1.24 18 3/9/2024
3.1.23 14 3/9/2024
3.1.22 19 3/9/2024
3.1.21 16 3/9/2024
3.1.20 19 3/9/2024
3.1.19 16 3/9/2024
3.1.18 16 3/9/2024
3.1.17 18 3/9/2024
3.1.16 18 3/9/2024
3.1.15 20 3/9/2024
3.1.14 20 3/9/2024
3.1.13 15 3/9/2024
3.1.12 18 3/9/2024
3.1.11 18 3/9/2024
3.1.10 17 3/9/2024
3.1.9 15 3/9/2024
3.1.8 16 3/9/2024
3.1.7 16 3/9/2024
3.1.6 16 3/9/2024
3.1.5 13 3/9/2024
3.1.4 15 3/9/2024
3.1.3 16 3/9/2024
3.1.2 15 3/9/2024
3.1.1 20 3/9/2024
3.1.0 16 3/9/2024
3.1.0-preview3.19553.2 17 3/9/2024
3.1.0-preview2.19525.4 14 3/9/2024
3.1.0-preview1.19506.1 14 3/9/2024
3.0.3 13 3/9/2024
3.0.2 19 3/9/2024
3.0.1 16 3/9/2024
3.0.0 16 3/9/2024
3.0.0-rc1.19456.10 14 3/9/2024
3.0.0-preview9.19423.4 17 3/9/2024
3.0.0-preview8.19405.4 16 3/9/2024
3.0.0-preview7.19362.4 9 3/9/2024
3.0.0-preview6.19304.6 12 3/9/2024
3.0.0-preview5.19227.9 10 3/9/2024
3.0.0-preview4.19216.2 18 3/9/2024
3.0.0-preview3.19153.1 17 3/9/2024
3.0.0-preview.19074.2 15 3/9/2024
3.0.0-preview.18572.1 16 3/9/2024
2.2.4 18 3/9/2024
2.2.0 20 3/9/2024
2.2.0-preview3-35497 16 3/9/2024
2.2.0-preview2-35157 13 3/9/2024
2.2.0-preview1-35029 17 3/9/2024
2.1.1 17 3/9/2024
2.1.0 18 3/9/2024
2.1.0-rc1-final 13 3/9/2024
2.1.0-preview2-final 14 3/9/2024
2.1.0-preview1-final 17 3/9/2024
2.0.2 13 3/9/2024
2.0.1 19 3/9/2024
2.0.0 17 3/9/2024
2.0.0-preview2-final 17 3/9/2024
2.0.0-preview1-final 16 3/9/2024
1.1.2 15 3/9/2024
1.1.1 15 3/9/2024
1.1.0 16 3/9/2024
1.1.0-preview1-final 17 3/9/2024
1.0.2 18 3/9/2024
1.0.1 15 3/9/2024
1.0.0 19 3/9/2024
1.0.0-rc2-final 17 3/9/2024
1.0.0-rc1-final 15 3/9/2024