initial commit

Program.cs

@@ -0,0 +1,33 @@
+using OpenTelemetry.Logs;
+
+var builder = WebApplication.CreateBuilder(args);
+
+var useOtlpExporter = !string.IsNullOrWhiteSpace(builder.Configuration["OTEL_EXPORTER_OTLP_ENDPOINT"]);
+
+builder.Logging.AddOpenTelemetry(logging =>
+{
+    logging.IncludeFormattedMessage = true;
+    logging.IncludeScopes = true;
+
+    if (useOtlpExporter)
+    {
+        logging.AddOtlpExporter();
+    }
+    else
+    {
+        Console.WriteLine("OTEL_EXPORTER_OTLP_ENDPOINT is not set. Skipping OTLP exporter configuration.");
+    }
+});
+
+var app = builder.Build();
+
+app.MapGet("/", () => "Hello World!");
+
+app.MapGet("/log", (ILogger<Program> logger) =>
+{
+    if (logger.IsEnabled(LogLevel.Information))
+        logger.LogInformation("Logging a message at {time:HH:mm:ss} on {machine}", DateTime.Now, Environment.MachineName);
+    return Results.Ok();
+});
+
+app.Run();