Microsoft.Extensions.Configuration.EnvironmentVariables 9.0.2

Prefix Reserved
There is a newer prerelease version of this package available.
See the version list below for details.
dotnet add package Microsoft.Extensions.Configuration.EnvironmentVariables --version 9.0.2                
NuGet\Install-Package Microsoft.Extensions.Configuration.EnvironmentVariables -Version 9.0.2                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.2" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Microsoft.Extensions.Configuration.EnvironmentVariables --version 9.0.2                
#r "nuget: Microsoft.Extensions.Configuration.EnvironmentVariables, 9.0.2"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Microsoft.Extensions.Configuration.EnvironmentVariables as a Cake Addin
#addin nuget:?package=Microsoft.Extensions.Configuration.EnvironmentVariables&version=9.0.2

// Install Microsoft.Extensions.Configuration.EnvironmentVariables as a Cake Tool
#tool nuget:?package=Microsoft.Extensions.Configuration.EnvironmentVariables&version=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.

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 is compatible.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 is compatible.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (1.1K)

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Package Downloads
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GitHub repositories (298)

Showing the top 5 popular GitHub repositories that depend on Microsoft.Extensions.Configuration.EnvironmentVariables:

Repository Stars
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10.0.0-preview.1.25080.5 1,879 2/25/2025
9.0.2 968,140 2/11/2025
9.0.1 2,486,621 1/14/2025
9.0.0 6,929,855 11/12/2024
9.0.0-rc.2.24473.5 96,259 10/8/2024
9.0.0-rc.1.24431.7 64,929 9/10/2024
9.0.0-preview.7.24405.7 40,333 8/13/2024
9.0.0-preview.6.24327.7 43,051 7/9/2024
9.0.0-preview.5.24306.7 31,257 6/11/2024
9.0.0-preview.4.24266.19 31,782 5/21/2024
9.0.0-preview.3.24172.9 114,076 4/11/2024
9.0.0-preview.2.24128.5 44,892 3/12/2024
9.0.0-preview.1.24080.9 65,239 2/13/2024
8.0.0 122,772,996 11/14/2023
8.0.0-rc.2.23479.6 191,706 10/10/2023
8.0.0-rc.1.23419.4 124,955 9/12/2023
8.0.0-preview.7.23375.6 70,505 8/8/2023
8.0.0-preview.6.23329.7 83,532 7/11/2023
8.0.0-preview.5.23280.8 67,214 6/13/2023
8.0.0-preview.4.23259.5 254,522 5/16/2023
8.0.0-preview.3.23174.8 118,077 4/11/2023
8.0.0-preview.2.23128.3 48,489 3/14/2023
8.0.0-preview.1.23110.8 105,152 2/21/2023
7.0.0 92,185,202 11/7/2022
7.0.0-rc.2.22472.3 146,877 10/11/2022
7.0.0-rc.1.22426.10 78,569 9/14/2022
7.0.0-preview.7.22375.6 64,277 8/9/2022
7.0.0-preview.6.22324.4 61,556 7/12/2022
7.0.0-preview.5.22301.12 47,938 6/14/2022
7.0.0-preview.4.22229.4 57,071 5/10/2022
7.0.0-preview.3.22175.4 54,119 4/13/2022
7.0.0-preview.2.22152.2 32,533 3/14/2022
7.0.0-preview.1.22076.8 27,905 2/17/2022
6.0.2 128,852 11/12/2024
6.0.1 163,513,917 2/8/2022
6.0.0 69,785,163 11/8/2021
6.0.0-rc.2.21480.5 429,351 10/12/2021
6.0.0-rc.1.21451.13 276,384 9/14/2021
6.0.0-preview.7.21377.19 140,911 8/10/2021
6.0.0-preview.6.21352.12 49,078 7/14/2021
6.0.0-preview.5.21301.5 43,120 6/15/2021
6.0.0-preview.4.21253.7 35,821 5/24/2021
6.0.0-preview.3.21201.4 89,082 4/8/2021
6.0.0-preview.2.21154.6 68,450 3/11/2021 6.0.0-preview.2.21154.6 is deprecated because it is no longer maintained.
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5.0.0 129,025,199 11/9/2020 5.0.0 is deprecated because it is no longer maintained.
5.0.0-rc.2.20475.5 154,954 10/13/2020 5.0.0-rc.2.20475.5 is deprecated because it is no longer maintained.
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5.0.0-preview.7.20364.11 50,240 7/21/2020 5.0.0-preview.7.20364.11 is deprecated because it is no longer maintained.
5.0.0-preview.6.20305.6 29,852 6/25/2020 5.0.0-preview.6.20305.6 is deprecated because it is no longer maintained.
5.0.0-preview.5.20278.1 20,455 6/10/2020 5.0.0-preview.5.20278.1 is deprecated because it is no longer maintained.
5.0.0-preview.4.20251.6 41,728 5/18/2020 5.0.0-preview.4.20251.6 is deprecated because it is no longer maintained.
5.0.0-preview.3.20215.2 21,234 4/23/2020 5.0.0-preview.3.20215.2 is deprecated because it is no longer maintained.
5.0.0-preview.2.20160.3 58,128 4/2/2020 5.0.0-preview.2.20160.3 is deprecated because it is no longer maintained.
5.0.0-preview.1.20120.4 26,330 3/16/2020 5.0.0-preview.1.20120.4 is deprecated because it is no longer maintained.
3.1.32 2,353,507 12/13/2022
3.1.31 681,262 11/8/2022
3.1.30 1,193,139 10/11/2022
3.1.29 392,686 9/13/2022
3.1.28 664,727 8/9/2022
3.1.27 374,008 7/12/2022
3.1.26 377,958 6/14/2022
3.1.25 723,639 5/10/2022
3.1.24 449,707 4/11/2022
3.1.23 1,127,497 3/8/2022
3.1.22 8,701,119 12/14/2021
3.1.21 1,868,702 11/7/2021
3.1.20 1,145,138 10/11/2021
3.1.19 1,087,372 9/14/2021
3.1.18 2,362,525 8/10/2021
3.1.17 1,737,474 7/13/2021
3.1.16 2,259,344 6/8/2021
3.1.15 3,163,756 5/11/2021
3.1.14 3,197,697 4/6/2021
3.1.13 3,326,655 3/9/2021
3.1.12 2,720,474 2/9/2021
3.1.11 4,492,750 1/12/2021
3.1.10 7,299,175 11/9/2020
3.1.9 9,605,289 10/13/2020
3.1.8 12,283,329 9/8/2020
3.1.7 8,014,632 8/11/2020
3.1.6 16,323,294 7/14/2020
3.1.5 14,149,274 6/9/2020
3.1.4 7,577,099 5/12/2020
3.1.3 16,326,109 3/24/2020
3.1.2 13,970,498 2/18/2020
3.1.1 11,268,462 1/14/2020
3.1.0 24,619,781 12/3/2019
3.1.0-preview3.19553.2 17,393 11/13/2019 3.1.0-preview3.19553.2 is deprecated because it is no longer maintained.
3.1.0-preview2.19525.4 6,937 11/1/2019 3.1.0-preview2.19525.4 is deprecated because it is no longer maintained.
3.1.0-preview1.19506.1 17,504 10/15/2019 3.1.0-preview1.19506.1 is deprecated because it is no longer maintained.
3.0.3 331,672 2/18/2020 3.0.3 is deprecated because it is no longer maintained.
3.0.2 749,771 1/14/2020 3.0.2 is deprecated because it is no longer maintained.
3.0.1 1,290,937 11/18/2019 3.0.1 is deprecated because it is no longer maintained.
3.0.0 16,295,892 9/23/2019 3.0.0 is deprecated because it is no longer maintained.
3.0.0-rc1.19456.10 21,993 9/16/2019 3.0.0-rc1.19456.10 is deprecated because it is no longer maintained.
3.0.0-preview9.19423.4 118,990 9/4/2019 3.0.0-preview9.19423.4 is deprecated because it is no longer maintained.
3.0.0-preview8.19405.4 98,128 8/13/2019 3.0.0-preview8.19405.4 is deprecated because it is no longer maintained.
3.0.0-preview7.19362.4 40,223 7/23/2019 3.0.0-preview7.19362.4 is deprecated because it is no longer maintained.
3.0.0-preview6.19304.6 62,784 6/12/2019 3.0.0-preview6.19304.6 is deprecated because it is no longer maintained.
3.0.0-preview5.19227.9 79,245 5/6/2019 3.0.0-preview5.19227.9 is deprecated because it is no longer maintained.
3.0.0-preview4.19216.2 15,719 4/18/2019 3.0.0-preview4.19216.2 is deprecated because it is no longer maintained.
3.0.0-preview3.19153.1 57,989 3/6/2019 3.0.0-preview3.19153.1 is deprecated because it is no longer maintained.
3.0.0-preview.19074.2 28,914 1/29/2019 3.0.0-preview.19074.2 is deprecated because it is no longer maintained.
3.0.0-preview.18572.1 15,837 12/4/2018 3.0.0-preview.18572.1 is deprecated because it is no longer maintained.
2.2.4 71,127,531 4/9/2019 2.2.4 is deprecated because it is no longer maintained.
2.2.0 116,395,090 12/3/2018 2.2.0 is deprecated because it is no longer maintained.
2.2.0-preview3-35497 151,567 10/17/2018 2.2.0-preview3-35497 is deprecated because it is no longer maintained.
2.2.0-preview2-35157 99,313 9/12/2018 2.2.0-preview2-35157 is deprecated because it is no longer maintained.
2.2.0-preview1-35029 37,604 8/22/2018 2.2.0-preview1-35029 is deprecated because it is no longer maintained.
2.1.1 250,217,468 6/18/2018
2.1.0 148,282,671 5/29/2018
2.1.0-rc1-final 275,629 5/6/2018 2.1.0-rc1-final is deprecated because it is no longer maintained.
2.1.0-preview2-final 398,568 4/10/2018 2.1.0-preview2-final is deprecated because it is no longer maintained.
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2.0.0-preview2-final 125,653 6/28/2017 2.0.0-preview2-final is deprecated because it is no longer maintained.
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1.0.0-rc2-final 155,561 5/16/2016 1.0.0-rc2-final is deprecated because it is no longer maintained.
1.0.0-rc1-final 490,186 11/18/2015 1.0.0-rc1-final is deprecated because it is no longer maintained.