Location error handling

microservices/LocationsApi/Program.cs

@@ -1,5 +1,6 @@
 using LocationsApi.Services;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
+using Microsoft.AspNetCore.Diagnostics;
 using Microsoft.IdentityModel.Tokens;
 using Microsoft.OpenApi.Models;
 using System.Text;
@@ -60,6 +61,40 @@ builder.Services.AddAuthorization();
 
 var app = builder.Build();
 
+app.UseExceptionHandler(errorApp =>
+{
+    errorApp.Run(async context =>
+    {
+        var feature = context.Features.Get<IExceptionHandlerFeature>();
+        var exception = feature?.Error;
+        var logger = context.RequestServices.GetRequiredService<ILoggerFactory>().CreateLogger("GlobalException");
+        var traceId = context.TraceIdentifier;
+
+        if (exception is not null)
+        {
+            logger.LogError(
+                exception,
+                "Unhandled exception for {Method} {Path}. TraceId={TraceId}",
+                context.Request.Method,
+                context.Request.Path,
+                traceId
+            );
+        }
+
+        context.Response.StatusCode = StatusCodes.Status500InternalServerError;
+        context.Response.ContentType = "application/problem+json";
+
+        await context.Response.WriteAsJsonAsync(new
+        {
+            type = "https://httpstatuses.com/500",
+            title = "Internal Server Error",
+            status = 500,
+            detail = exception?.Message ?? "An unexpected server error occurred.",
+            traceId
+        });
+    });
+});
+
 app.MapGet("/healthz", () => Results.Ok("ok"));
 app.UseSwagger();
 app.UseSwaggerUI(o =>