Add health check endpoint (#188)

Author: albi005

StartSch/Program.cs

@@ -215,7 +215,9 @@ await scope.ServiceProvider
 // API controllers
 builder.Services
     .AddControllersWithViews() // WithViews is needed to use the ValidateAntiForgeryToken attribute
-    .AddJsonOptions(o => o.JsonSerializerOptions.ConfigureForNodaTime(DateTimeZoneProviders.Tzdb)); 
+    .AddJsonOptions(o => o.JsonSerializerOptions.ConfigureForNodaTime(DateTimeZoneProviders.Tzdb));
+
+builder.Services.AddHealthChecks().AddDbContextCheck<Db>();
 
 builder.Services.AddHttpContextAccessor();
 
@@ -285,6 +287,7 @@ await scope.ServiceProvider
 });
 
 app.MapStaticAssets();
+app.MapHealthChecks("/healthz");
 app.MapControllers();
 app.MapRazorComponents<App>()
     .AddInteractiveServerRenderMode()

StartSch/StartSch.csproj

@@ -26,6 +26,7 @@
         <PackageReference Include="Microsoft.AspNetCore.DataProtection.EntityFrameworkCore" Version="10.0.1" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.1" PrivateAssets="all" IncludeAssets="runtime; build; native; analyzers" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.1" />
+        <PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore" Version="10.0.4" />
         <PackageReference Include="NodaTime" Version="3.2.3" />
         <PackageReference Include="NodaTime.Serialization.SystemTextJson" Version="1.3.0" />
         <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.0" />