Reduce auto discovery graph:

- check only packages that has direct references to Serilog core assembly to avoid native assets
- add Serilog core assembly to default search assembly configuration list

Author: Sergey Komisarchik

src/Serilog.Settings.Configuration/Serilog.Settings.Configuration.csproj

@@ -15,7 +15,7 @@
     <PackageId>Serilog.Settings.Configuration</PackageId>
     <PackageTags>serilog;json</PackageTags>
     <PackageIcon>icon.png</PackageIcon>
-    <PackageProjectUrl>https://serilog.net/</PackageProjectUrl>
+    <PackageProjectUrl>https://github.com/serilog/serilog-settings-configuration/</PackageProjectUrl>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <RootNamespace>Serilog</RootNamespace>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>

src/Serilog.Settings.Configuration/Settings/Configuration/Assemblies/DependencyContextAssemblyFinder.cs

@@ -18,11 +18,17 @@ public DependencyContextAssemblyFinder(DependencyContext dependencyContext)
         public override IReadOnlyList<AssemblyName> FindAssembliesContainingName(string nameToFind)
         {
             var query = from library in _dependencyContext.RuntimeLibraries
+                        where IsReferencingSerilog(library)
                         from assemblyName in library.GetDefaultAssemblyNames(_dependencyContext)
                         where IsCaseInsensitiveMatch(assemblyName.Name, nameToFind)
                         select assemblyName;
 
             return query.ToList().AsReadOnly();
+            
+            static bool IsReferencingSerilog(Library library)
+            {
+                return library.Dependencies.Any(dependency => dependency.Name.ToLowerInvariant() == "serilog");
+            }
         }
     }
 }

src/Serilog.Settings.Configuration/Settings/Configuration/ConfigurationReader.cs

@@ -264,7 +264,8 @@ internal static IConfigurationArgumentValue GetArgumentValue(IConfigurationSecti
 
         static IReadOnlyCollection<Assembly> LoadConfigurationAssemblies(IConfigurationSection section, AssemblyFinder assemblyFinder)
         {
-            var assemblies = new Dictionary<string, Assembly>();
+            var serilogAssembly = typeof(ILogger).Assembly;
+            var assemblies = new Dictionary<string, Assembly> { [serilogAssembly.FullName] = serilogAssembly };
 
             var usingSection = section.GetSection("Using");
             if (usingSection.GetChildren().Any())