A plugin architecture remains a valuable option to make your application extensible. With the introduction of AssemblyLoadContext and AssemblyDependencyResolver in .NET Core 3, creating and loading plugins became a lot easier.
Still if you need more features I would recommend having a look at the DotNetCorePlugins project: https://github.com/natemcmaster/DotNetCorePlugins
Usage is simple through the PluginLoader class:
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| PluginLoader.CreateFromAssemblyFile( | |
| assemblyFile: "./plugins/MyPlugin/MyPlugin1.dll", | |
| sharedTypes: new [] { typeof(IPlugin), typeof(IServiceCollection), typeof(ILogger) }, | |
| isUnloadable: true) |
One nice feature it adds to the mix is hot reloading. This will allow you to dynamically update assemblies on the fly:
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| var loader = PluginLoader.CreateFromAssemblyFile("./plugins/MyPlugin/MyPlugin1.dll", | |
| config => config.EnableHotReload = true); | |
| loader.Reloaded += ShowPluginInfo; | |
| private void ShowPluginInfo(object sender, PluginReloadedEventArgs eventArgs) | |
| { | |
| } |