Program.cs

using Serilog;
using SocialSifter;
using SocialSifter.Destinations;
using SocialSifter.Interfaces;
using SocialSifter.Services;
using SocialSifter.Sources;

var builder = Host.CreateApplicationBuilder(args);

// Configure Serilog
Log.Logger = new LoggerConfiguration()
    .ReadFrom.Configuration(builder.Configuration)
    .Enrich.FromLogContext()
    .CreateLogger();

builder.Services.AddSerilog();

// Configure options
builder.Services.Configure<SocialSifterOptions>(
    builder.Configuration.GetSection("SocialSifter"));

// Register message processor
builder.Services.AddSingleton<MessageProcessor>();

// Register sources
builder.Services.AddSingleton<ISocialMediaSource, RedditSource>();
builder.Services.AddSingleton<ISocialMediaSource, DiscordSource>();

// Register destinations
builder.Services.AddSingleton<IPublishDestination, DiscordPublisher>();

// Register hosted service
builder.Services.AddHostedService<Worker>();

var host = builder.Build();

try
{
    Log.Information("Starting SocialSifter service");
    host.Run();
    Log.Information("SocialSifter service stopped cleanly");
}
catch (Exception ex)
{
    Log.Fatal(ex, "SocialSifter service terminated unexpectedly");
    throw;
}
finally
{
    Log.CloseAndFlush();
}