Microsoft.Extensions.Configuration.EnvironmentVariables 9.0.16

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
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/aspnet/AspNetCore/tree/2e51a0b6eba74bdf02aee71944e973487937cb99
147
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
152
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
160
Microsoft.AspNetCore.Hosting
ASP.NET Core hosting infrastructure and startup logic for web applications.
150
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
149
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
153
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
155
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
160
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
149
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
157
Microsoft.Extensions.Logging.AzureAppServices
Logger implementation to support Azure App Services 'Diagnostics logs' and 'Log stream' features.
148
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
148
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/0bc3c376f0cd14335e8b3afca69596acabeb1f80
148
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
148
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
156
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/b1beadfe0ad3d02eb5207681a5328793c4b3822c
149
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
153
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
176
Microsoft.Identity.Client.Extensions.Msal
This package contains extensions to Microsoft Authentication Library for .NET (MSAL.NET)
147

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

Version Downloads Last updated
11.0.0-preview.4.26230.115 4 05/12/2026
11.0.0-preview.3.26207.106 18 04/14/2026
11.0.0-preview.2.26159.112 24 03/12/2026
11.0.0-preview.1.26104.118 25 02/11/2026
10.0.8 3 05/13/2026
10.0.7 18 04/21/2026
10.0.6 17 04/14/2026
10.0.5 24 03/14/2026
10.0.4 30 03/12/2026
10.0.3 29 02/11/2026
10.0.2 31 01/13/2026
10.0.1 31 12/10/2025
10.0.0 67 11/12/2025
10.0.0-rc.2.25502.107 73 10/15/2025
10.0.0-rc.1.25451.107 72 09/11/2025
10.0.0-preview.7.25380.108 89 08/14/2025
10.0.0-preview.6.25358.103 101 07/15/2025
10.0.0-preview.5.25277.114 97 06/07/2025
10.0.0-preview.4.25258.110 102 05/16/2025
10.0.0-preview.3.25171.5 105 04/14/2025
10.0.0-preview.2.25163.2 129 04/01/2025
10.0.0-preview.1.25080.5 94 04/01/2025
9.0.16 5 05/13/2026
9.0.15 14 04/14/2026
9.0.14 20 03/12/2026
9.0.13 27 02/11/2026
9.0.12 30 01/13/2026
9.0.11 51 11/12/2025
9.0.10 74 10/15/2025
9.0.9 87 09/11/2025
9.0.8 88 08/07/2025
9.0.7 114 07/09/2025
9.0.6 87 06/12/2025
9.0.5 97 05/19/2025
9.0.4 108 04/10/2025
9.0.3 120 04/02/2025
9.0.2 142 04/02/2025
9.0.1 108 04/02/2025
9.0.0 108 11/14/2024
9.0.0-rc.2.24473.5 97 10/20/2024
9.0.0-rc.1.24431.7 118 09/20/2024
9.0.0-preview.7.24405.7 117 08/20/2024
9.0.0-preview.6.24327.7 119 07/18/2024
9.0.0-preview.5.24306.7 133 07/18/2024
9.0.0-preview.4.24266.19 129 07/18/2024
9.0.0-preview.3.24172.9 121 07/18/2024
9.0.0-preview.2.24128.5 132 07/18/2024
9.0.0-preview.1.24080.9 132 07/18/2024
8.0.0 153 04/17/2024
8.0.0-rc.2.23479.6 125 07/18/2024
8.0.0-rc.1.23419.4 146 07/18/2024
8.0.0-preview.7.23375.6 115 07/18/2024
8.0.0-preview.6.23329.7 130 07/18/2024
8.0.0-preview.5.23280.8 123 07/18/2024
8.0.0-preview.4.23259.5 124 07/18/2024
8.0.0-preview.3.23174.8 128 07/18/2024
8.0.0-preview.2.23128.3 144 07/18/2024
8.0.0-preview.1.23110.8 133 07/18/2024
7.0.0 129 07/18/2024
7.0.0-rc.2.22472.3 134 07/18/2024
7.0.0-rc.1.22426.10 129 07/18/2024
7.0.0-preview.7.22375.6 117 07/18/2024
7.0.0-preview.6.22324.4 127 07/18/2024
7.0.0-preview.5.22301.12 127 07/18/2024
7.0.0-preview.4.22229.4 144 07/18/2024
7.0.0-preview.3.22175.4 145 07/18/2024
7.0.0-preview.2.22152.2 116 07/18/2024
7.0.0-preview.1.22076.8 127 07/18/2024
6.0.2 100 11/14/2024
6.0.2-mauipre.1.22102.15 84 08/04/2025
6.0.1 124 07/18/2024
6.0.0 158 07/18/2024
6.0.0-rc.2.21480.5 138 07/18/2024
6.0.0-rc.1.21451.13 130 07/14/2024
6.0.0-preview.7.21377.19 129 07/18/2024
6.0.0-preview.6.21352.12 125 07/18/2024
6.0.0-preview.5.21301.5 145 07/18/2024
6.0.0-preview.4.21253.7 120 07/18/2024
6.0.0-preview.3.21201.4 139 07/18/2024
6.0.0-preview.2.21154.6 133 07/18/2024
6.0.0-preview.1.21102.12 147 07/18/2024
5.0.0 123 07/18/2024
5.0.0-rc.2.20475.5 147 07/18/2024
5.0.0-rc.1.20451.14 142 07/18/2024
5.0.0-preview.8.20407.11 139 07/18/2024
5.0.0-preview.7.20364.11 116 07/18/2024
5.0.0-preview.6.20305.6 127 07/18/2024
5.0.0-preview.5.20278.1 154 07/18/2024
5.0.0-preview.4.20251.6 121 07/18/2024
5.0.0-preview.3.20215.2 137 07/18/2024
5.0.0-preview.2.20160.3 130 07/18/2024
5.0.0-preview.1.20120.4 157 07/18/2024
3.1.32 132 07/18/2024
3.1.31 132 07/18/2024
3.1.30 126 07/18/2024
3.1.29 134 07/18/2024
3.1.28 139 07/18/2024
3.1.27 145 07/18/2024
3.1.26 127 07/18/2024
3.1.25 130 07/18/2024
3.1.24 127 07/18/2024
3.1.23 137 07/18/2024
3.1.22 143 07/18/2024
3.1.21 139 07/18/2024
3.1.20 142 07/18/2024
3.1.19 131 07/18/2024
3.1.18 122 07/18/2024
3.1.17 128 07/18/2024
3.1.16 123 07/18/2024
3.1.15 127 07/18/2024
3.1.14 126 07/18/2024
3.1.13 133 07/18/2024
3.1.12 126 07/18/2024
3.1.11 129 07/18/2024
3.1.10 132 07/18/2024
3.1.9 121 07/18/2024
3.1.8 144 07/18/2024
3.1.7 135 07/18/2024
3.1.6 141 07/18/2024
3.1.5 124 07/18/2024
3.1.4 135 07/18/2024
3.1.3 133 07/18/2024
3.1.2 143 07/18/2024
3.1.1 125 07/18/2024
3.1.0 137 07/18/2024
3.1.0-preview3.19553.2 126 07/18/2024
3.1.0-preview2.19525.4 126 07/18/2024
3.1.0-preview1.19506.1 136 07/18/2024
3.0.3 128 07/18/2024
3.0.2 127 07/18/2024
3.0.1 136 07/18/2024
3.0.0 136 07/18/2024
3.0.0-rc1.19456.10 138 07/18/2024
3.0.0-preview9.19423.4 138 07/18/2024
3.0.0-preview8.19405.4 127 07/18/2024
3.0.0-preview7.19362.4 132 07/18/2024
3.0.0-preview6.19304.6 129 07/18/2024
3.0.0-preview5.19227.9 133 07/18/2024
3.0.0-preview4.19216.2 131 07/18/2024
3.0.0-preview3.19153.1 131 07/18/2024
3.0.0-preview.19074.2 124 07/18/2024
3.0.0-preview.18572.1 140 07/18/2024
2.2.4 129 07/18/2024
2.2.0 142 07/18/2024
2.2.0-preview3-35497 114 07/18/2024
2.2.0-preview2-35157 138 07/18/2024
2.2.0-preview1-35029 129 07/18/2024
2.1.1 137 07/18/2024
2.1.0 132 07/18/2024
2.1.0-rc1-final 129 07/18/2024
2.1.0-preview2-final 132 07/18/2024
2.1.0-preview1-final 123 07/18/2024
2.0.2 139 07/18/2024
2.0.1 141 07/18/2024
2.0.0 125 07/18/2024
2.0.0-preview2-final 136 07/18/2024
2.0.0-preview1-final 134 07/17/2024
1.1.2 132 07/18/2024
1.1.1 145 07/18/2024
1.1.0 123 07/18/2024
1.1.0-preview1-final 125 07/18/2024
1.0.2 116 07/18/2024
1.0.1 141 07/18/2024
1.0.0 128 07/18/2024
1.0.0-rc2-final 114 07/18/2024
1.0.0-rc1-final 111 07/18/2024