Microsoft.Extensions.Configuration.EnvironmentVariables 11.0.0-preview.2.26159.112

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
140
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/2e51a0b6eba74bdf02aee71944e973487937cb99
140
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/458d97420a173fe87487b58ec4aa47a4c9dc4710
145
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/5ae8106f83d4d23cd0a2d2474c1b15e4d5dfc9eb
148
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/d9ba962869d1b1c410ea476b02de2f8e27eec762
139
Microsoft.AspNetCore.Hosting
ASP.NET Core hosting infrastructure and startup logic for web applications.
140
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
139
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
141
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
144
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
145
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
147
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
140
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
147
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/aspnet/Extensions/tree/0fca7b48d0d419df0c67de0df4792441f6d5038f
140
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/02c6de4ba6022025fcda7581415f310f8c73cdc3
138
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/2f1db20456007c9515068a35a65afdf99af70bc6
141
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/3f1acb59718cadf111a0a796681e3d3509bb3381
140
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/6a01dd1e69c8b9bd1ae005ea465ef2bcd26294bf
147
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/c967158b960823ccfcb19f1ef56426e2fd38eb3f
150
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/f5084525411d53b81d9950b68616117750b674d4
167

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

.NET Framework 4.6.2

.NET 10.0

.NET 11.0

.NET Standard 2.0

Version Downloads Last updated
11.0.0-preview.2.26159.112 10 03/12/2026
11.0.0-preview.1.26104.118 13 02/11/2026
10.0.5 12 03/14/2026
10.0.4 10 03/12/2026
10.0.3 19 02/11/2026
10.0.2 21 01/13/2026
10.0.1 23 12/10/2025
10.0.0 60 11/12/2025
10.0.0-rc.2.25502.107 61 10/15/2025
10.0.0-rc.1.25451.107 66 09/11/2025
10.0.0-preview.7.25380.108 80 08/14/2025
10.0.0-preview.6.25358.103 88 07/15/2025
10.0.0-preview.5.25277.114 87 06/07/2025
10.0.0-preview.4.25258.110 94 05/16/2025
10.0.0-preview.3.25171.5 91 04/14/2025
10.0.0-preview.2.25163.2 119 04/01/2025
10.0.0-preview.1.25080.5 81 04/01/2025
9.0.14 10 03/12/2026
9.0.13 19 02/11/2026
9.0.12 21 01/13/2026
9.0.11 41 11/12/2025
9.0.10 65 10/15/2025
9.0.9 77 09/11/2025
9.0.8 78 08/07/2025
9.0.7 103 07/09/2025
9.0.6 80 06/12/2025
9.0.5 89 05/19/2025
9.0.4 95 04/10/2025
9.0.3 111 04/02/2025
9.0.2 131 04/02/2025
9.0.1 100 04/02/2025
9.0.0 93 11/14/2024
9.0.0-rc.2.24473.5 89 10/20/2024
9.0.0-rc.1.24431.7 107 09/20/2024
9.0.0-preview.7.24405.7 104 08/20/2024
9.0.0-preview.6.24327.7 109 07/18/2024
9.0.0-preview.5.24306.7 124 07/18/2024
9.0.0-preview.4.24266.19 116 07/18/2024
9.0.0-preview.3.24172.9 108 07/18/2024
9.0.0-preview.2.24128.5 124 07/18/2024
9.0.0-preview.1.24080.9 123 07/18/2024
8.0.0 142 04/17/2024
8.0.0-rc.2.23479.6 117 07/18/2024
8.0.0-rc.1.23419.4 132 07/18/2024
8.0.0-preview.7.23375.6 105 07/18/2024
8.0.0-preview.6.23329.7 118 07/18/2024
8.0.0-preview.5.23280.8 112 07/18/2024
8.0.0-preview.4.23259.5 115 07/18/2024
8.0.0-preview.3.23174.8 119 07/18/2024
8.0.0-preview.2.23128.3 134 07/18/2024
8.0.0-preview.1.23110.8 120 07/18/2024
7.0.0 120 07/18/2024
7.0.0-rc.2.22472.3 125 07/18/2024
7.0.0-rc.1.22426.10 123 07/18/2024
7.0.0-preview.7.22375.6 107 07/18/2024
7.0.0-preview.6.22324.4 119 07/18/2024
7.0.0-preview.5.22301.12 118 07/18/2024
7.0.0-preview.4.22229.4 130 07/18/2024
7.0.0-preview.3.22175.4 129 07/18/2024
7.0.0-preview.2.22152.2 104 07/18/2024
7.0.0-preview.1.22076.8 114 07/18/2024
6.0.2 90 11/14/2024
6.0.2-mauipre.1.22102.15 73 08/04/2025
6.0.1 112 07/18/2024
6.0.0 146 07/18/2024
6.0.0-rc.2.21480.5 127 07/18/2024
6.0.0-rc.1.21451.13 122 07/14/2024
6.0.0-preview.7.21377.19 117 07/18/2024
6.0.0-preview.6.21352.12 116 07/18/2024
6.0.0-preview.5.21301.5 130 07/18/2024
6.0.0-preview.4.21253.7 107 07/18/2024
6.0.0-preview.3.21201.4 130 07/18/2024
6.0.0-preview.2.21154.6 122 07/18/2024
6.0.0-preview.1.21102.12 136 07/18/2024
5.0.0 116 07/18/2024
5.0.0-rc.2.20475.5 135 07/18/2024
5.0.0-rc.1.20451.14 134 07/18/2024
5.0.0-preview.8.20407.11 130 07/18/2024
5.0.0-preview.7.20364.11 103 07/18/2024
5.0.0-preview.6.20305.6 114 07/18/2024
5.0.0-preview.5.20278.1 145 07/18/2024
5.0.0-preview.4.20251.6 111 07/18/2024
5.0.0-preview.3.20215.2 125 07/18/2024
5.0.0-preview.2.20160.3 118 07/18/2024
5.0.0-preview.1.20120.4 147 07/18/2024
3.1.32 126 07/18/2024
3.1.31 121 07/18/2024
3.1.30 112 07/18/2024
3.1.29 122 07/18/2024
3.1.28 130 07/18/2024
3.1.27 138 07/18/2024
3.1.26 114 07/18/2024
3.1.25 119 07/18/2024
3.1.24 118 07/18/2024
3.1.23 124 07/18/2024
3.1.22 131 07/18/2024
3.1.21 126 07/18/2024
3.1.20 131 07/18/2024
3.1.19 122 07/18/2024
3.1.18 114 07/18/2024
3.1.17 120 07/18/2024
3.1.16 112 07/18/2024
3.1.15 113 07/18/2024
3.1.14 116 07/18/2024
3.1.13 124 07/18/2024
3.1.12 115 07/18/2024
3.1.11 119 07/18/2024
3.1.10 118 07/18/2024
3.1.9 111 07/18/2024
3.1.8 130 07/18/2024
3.1.7 126 07/18/2024
3.1.6 130 07/18/2024
3.1.5 112 07/18/2024
3.1.4 128 07/18/2024
3.1.3 123 07/18/2024
3.1.2 133 07/18/2024
3.1.1 113 07/18/2024
3.1.0 126 07/18/2024
3.1.0-preview3.19553.2 113 07/18/2024
3.1.0-preview2.19525.4 117 07/18/2024
3.1.0-preview1.19506.1 126 07/18/2024
3.0.3 116 07/18/2024
3.0.2 118 07/18/2024
3.0.1 121 07/18/2024
3.0.0 125 07/18/2024
3.0.0-rc1.19456.10 125 07/18/2024
3.0.0-preview9.19423.4 123 07/18/2024
3.0.0-preview8.19405.4 115 07/18/2024
3.0.0-preview7.19362.4 121 07/18/2024
3.0.0-preview6.19304.6 118 07/18/2024
3.0.0-preview5.19227.9 123 07/18/2024
3.0.0-preview4.19216.2 120 07/18/2024
3.0.0-preview3.19153.1 122 07/18/2024
3.0.0-preview.19074.2 115 07/18/2024
3.0.0-preview.18572.1 129 07/18/2024
2.2.4 121 07/18/2024
2.2.0 128 07/18/2024
2.2.0-preview3-35497 104 07/18/2024
2.2.0-preview2-35157 127 07/18/2024
2.2.0-preview1-35029 121 07/18/2024
2.1.1 125 07/18/2024
2.1.0 121 07/18/2024
2.1.0-rc1-final 119 07/18/2024
2.1.0-preview2-final 119 07/18/2024
2.1.0-preview1-final 111 07/18/2024
2.0.2 130 07/18/2024
2.0.1 127 07/18/2024
2.0.0 114 07/18/2024
2.0.0-preview2-final 130 07/18/2024
2.0.0-preview1-final 122 07/17/2024
1.1.2 118 07/18/2024
1.1.1 135 07/18/2024
1.1.0 112 07/18/2024
1.1.0-preview1-final 117 07/18/2024
1.0.2 101 07/18/2024
1.0.1 131 07/18/2024
1.0.0 115 07/18/2024
1.0.0-rc2-final 104 07/18/2024
1.0.0-rc1-final 100 07/18/2024