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Refactor Program.cs for better startup structure #382

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Merged
StuartFerguson merged 1 commit into from
Mar 31, 2026
Merged

Refactor Program.cs for better startup structure #382

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113 changes: 57 additions & 56 deletions MessagingService/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,12 +29,25 @@ public static IHostBuilder CreateHostBuilder(string[] args)
{
//At this stage, we only need our hosting file for ip and ports
FileInfo fi = new(System.Reflection.Assembly.GetExecutingAssembly().Location);

ConfigureLogging();

IHostBuilder hostBuilder = Host.CreateDefaultBuilder(args);
hostBuilder.UseWindowsService();
hostBuilder.UseLamar();
hostBuilder.ConfigureLogging(logging =>
{
logging.AddConsole();
logging.AddNLog();

IConfigurationRoot config = new ConfigurationBuilder().SetBasePath(fi.Directory.FullName)
.AddJsonFile("hosting.json", optional: false)
.AddJsonFile("hosting.development.json", optional: true)
.AddEnvironmentVariables().Build();
});
hostBuilder.ConfigureWebHostDefaults(webBuilder => { ConfigureWebHost(webBuilder, fi.Directory.FullName); });


return hostBuilder;
}

private static void ConfigureLogging() {
String contentRoot = Directory.GetCurrentDirectory();
String nlogConfigPath = Path.Combine(contentRoot, "nlog.config");

Expand All @@ -48,64 +61,52 @@ public static IHostBuilder CreateHostBuilder(string[] args)
});
b.LoadConfigurationFromFile(nlogConfigPath);
});
}

IHostBuilder hostBuilder = Host.CreateDefaultBuilder(args);
hostBuilder.UseWindowsService();
hostBuilder.UseLamar();
hostBuilder.ConfigureLogging(logging =>
{
logging.AddConsole();
logging.AddNLog();

}).ConfigureWebHostDefaults(webBuilder =>
{
webBuilder.ConfigureAppConfiguration((context, configBuilder) =>
{
var env = context.HostingEnvironment;

configBuilder.SetBasePath(fi.Directory.FullName)
.AddJsonFile("hosting.json", optional: true)
.AddJsonFile($"hosting.{env.EnvironmentName}.json", optional: true)
.AddJsonFile("/home/txnproc/config/appsettings.json", optional: true, reloadOnChange: true)
.AddJsonFile($"/home/txnproc/config/appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: true)
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables();
private static void ConfigureWebHost(IWebHostBuilder webBuilder,
String basePath) {
webBuilder.ConfigureAppConfiguration((context, configBuilder) =>
{
var env = context.HostingEnvironment;

// Build a snapshot of configuration so we can use it immediately (e.g. for Sentry)
var builtConfig = configBuilder.Build();
configBuilder.SetBasePath(basePath)
.AddJsonFile("hosting.json", optional: true)
.AddJsonFile($"hosting.{env.EnvironmentName}.json", optional: true)
.AddJsonFile("/home/txnproc/config/appsettings.json", optional: true, reloadOnChange: true)
.AddJsonFile($"/home/txnproc/config/appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: true)
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables();

// Keep existing static usage (if you must), and initialise the ConfigurationReader now.
Startup.Configuration = builtConfig;
ConfigurationReader.Initialise(Startup.Configuration);
// Build a snapshot of configuration so we can use it immediately (e.g. for Sentry)
var builtConfig = configBuilder.Build();

// Configure Sentry on the webBuilder using the config snapshot.
var sentrySection = builtConfig.GetSection("SentryConfiguration");
if (sentrySection.Exists())
{
// Replace the condition below if you intended to only enable Sentry in certain environments.
if (env.IsDevelopment() == false)
{
webBuilder.UseSentry(o =>
{
o.Dsn = builtConfig["SentryConfiguration:Dsn"];
o.SendDefaultPii = true;
o.MaxRequestBodySize = RequestSize.Always;
o.CaptureBlockingCalls = ConfigurationReader.GetValueOrDefault("SentryConfiguration", "CaptureBlockingCalls", false);
o.IncludeActivityData = ConfigurationReader.GetValueOrDefault("SentryConfiguration", "IncludeActivityData", false);
o.Release = Assembly.GetExecutingAssembly().GetName().Version?.ToString() ?? "unknown";
});
}
}
});
// Keep existing static usage (if you must), and initialise the ConfigurationReader now.
Startup.Configuration = builtConfig;
ConfigurationReader.Initialise(Startup.Configuration);

webBuilder.UseStartup<Startup>();
webBuilder.UseConfiguration(config);
webBuilder.UseKestrel();
});
// Configure Sentry on the webBuilder using the config snapshot.
var sentrySection = builtConfig.GetSection("SentryConfiguration");
if (sentrySection.Exists())
{
// Replace the condition below if you intended to only enable Sentry in certain environments.
if (env.IsDevelopment() == false)
{
webBuilder.UseSentry(o =>
{
o.Dsn = builtConfig["SentryConfiguration:Dsn"];
o.SendDefaultPii = true;
o.MaxRequestBodySize = RequestSize.Always;
o.CaptureBlockingCalls = ConfigurationReader.GetValueOrDefault("SentryConfiguration", "CaptureBlockingCalls", false);
o.IncludeActivityData = ConfigurationReader.GetValueOrDefault("SentryConfiguration", "IncludeActivityData", false);
o.Release = Assembly.GetExecutingAssembly().GetName().Version?.ToString() ?? "unknown";
});
}
}
});


return hostBuilder;
webBuilder.UseStartup<Startup>();
webBuilder.UseKestrel();
}
}
}
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