feat!: update to .NET 8 and supported frameworks

Dockerfile

@@ -1,15 +1,7 @@
-FROM mono:latest
-
-ENV FrameworkPathOverride /usr/lib/mono/4.5/
-
-RUN apt-get update \
-    && apt-get install -y curl make apt-transport-https
-
-RUN curl -sSL https://packages.microsoft.com/config/ubuntu/19.10/packages-microsoft-prod.deb -o packages-microsoft-prod.deb \
-    && dpkg --install packages-microsoft-prod.deb
+FROM mcr.microsoft.com/dotnet/sdk:8.0
 
 RUN apt-get update \
-    && apt-get install -y dotnet-sdk-2.1
+    && apt-get install -y curl make ca-certificates
 
 COPY prism/prism/nginx/cert.crt /usr/local/share/ca-certificates/cert.crt
 RUN update-ca-certificates

ExampleCoreProject/ExampleCoreProject.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <IsPackable>false</IsPackable>
   </PropertyGroup>

ExampleNet45Project/ExampleNet45.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net452</TargetFramework>
+    <TargetFramework>net462</TargetFramework>
     <OutputType>Exe</OutputType>
     <IsPackable>false</IsPackable>
   </PropertyGroup>

README.md

@@ -46,9 +46,9 @@ We appreciate your continued support, thank you!
 
 ## Prerequisites
 
-- .NET Framework 4.0+
-- .NET Core 1.0+
-- .NET Standard 1.3+
+- .NET Framework 4.6.2+
+- .NET 8+
+- .NET Standard 2.0+
 - A Twilio SendGrid account, [sign up for free](https://sendgrid.com/free?source=sendgrid-csharp) to send up to 40,000 emails for the first 30 days, then send 100 emails/day free forever or check out [our pricing](https://sendgrid.com/pricing?source=sendgrid-csharp).
 
 <a name="obtain-api"></a>
@@ -97,7 +97,7 @@ dotnet add package SendGrid.Extensions.DependencyInjection
 ```
 
 Once you have the Twilio SendGrid library installed, you can include calls to it in your code.
-For sample implementations, see the [.NET Core Example](ExampleCoreProject) and the [.NET 4.5.2 Example](ExampleNet45Project) folders.
+For sample implementations, see the [.NET Core Example](ExampleCoreProject) and the [.NET Framework 4.6.2 Example](ExampleNet45Project) folders.
 
 ## Dependencies
 
@@ -254,7 +254,7 @@ services.AddSendGrid(options =>
 - [Twilio SendGrid Docs](https://docs.sendgrid.com/api-reference/)
 - [Library Usage Docs](USAGE.md)
 - [Example Code - .NET Core](ExampleCoreProject)
-- [Example Code - .NET 4.5.2+](ExampleNet45Project)
+- [Example Code - .NET Framework 4.6.2+](ExampleNet45Project)
 - [How-to: Migration from v2 to v3](https://sendgrid.com/docs/Classroom/Send/v3_Mail_Send/how_to_migrate_from_v2_to_v3_mail_send.html)
 - [v3 Web API Mail Send Helper](src/SendGrid/Helpers/Mail)
 

global.json

@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "8.0.100",
+    "rollForward": "latestFeature"
+  }
+}

src/SendGrid/SendGrid.csproj

@@ -2,14 +2,14 @@
 
   <PropertyGroup>
     <VersionPrefix>9.29.3</VersionPrefix>
-    <TargetFrameworks>netstandard1.3;netstandard2.0;net452;net40</TargetFrameworks>
+    <TargetFrameworks>net8.0;netstandard2.0;net462</TargetFrameworks>
     <PlatformTarget>anycpu</PlatformTarget>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <OutputType>Library</OutputType>
     <AssemblyOriginatorKeyFile>../../tools/sendgrid-csharp.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
-    <DebugSymbols Condition=" '$(TargetFramework)' == 'net452' ">true</DebugSymbols>
-    <DebugType Condition=" '$(TargetFramework)' == 'net452' ">full</DebugType>
+    <DebugSymbols Condition=" '$(TargetFramework)' == 'net462' ">true</DebugSymbols>
+    <DebugType Condition=" '$(TargetFramework)' == 'net462' ">full</DebugType>
     <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb;.xml</AllowedOutputExtensionsInPackageBuildOutputFolder>
   </PropertyGroup>
 
@@ -23,7 +23,7 @@
     <RepositoryUrl>https://github.com/sendgrid/sendgrid-csharp.git</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <PackageIconUrl>https://sendgrid.com/wp-content/themes/sgdotcom/pages/resource/brand//2016/SendGrid-Logomark.png</PackageIconUrl>
-    <PackageDescription>C# client library and examples for using Twilio SendGrid API's to send mail and access Web API v3 endpoints with .NET Standard 1.3 and .NET Core support.</PackageDescription>
+    <PackageDescription>C# client library and examples for using Twilio SendGrid API's to send mail and access Web API v3 endpoints with .NET 8, .NET Standard 2.0 and .NET Framework 4.6.2 support.</PackageDescription>
     <PackageReleaseNotes>Please see: https://github.com/sendgrid/sendgrid-csharp/releases</PackageReleaseNotes>
     <PackageTags>Twilio;SendGrid;Email;Mail;Microsoft;Azure;Transactional;.NET Core</PackageTags>
     <Copyright>Twilio SendGrid, Inc. 2020</Copyright>
@@ -49,16 +49,11 @@
     <PackageReference Include="starkbank-ecdsa" Version="[1.3.3, 2.0.0)" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net452' ">
+  <ItemGroup Condition=" '$(TargetFramework)' == 'net462' ">
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System" />
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TargetFramework)' == 'net40' ">
-    <PackageReference Include="Microsoft.Bcl.Async" Version="1.0.168" />
-    <PackageReference Include="Microsoft.Net.Http" Version="2.2.29" />
-  </ItemGroup>
-
 </Project>

tests/SendGrid.Extensions.DependencyInjection.Tests/SendGrid.Extensions.DependencyInjection.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsTestProject>true</IsTestProject>
     <IsPackable>false</IsPackable>
   </PropertyGroup>

tests/SendGrid.Tests/SendGrid.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>net8.0</TargetFramework>
     <IsTestProject>true</IsTestProject>
     <IsPackable>false</IsPackable>
   </PropertyGroup>