ForgejoReleaseSync/Program.cs

using System.Net.Http.Headers;
using ForgejoReleaseSync.Services;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

var builder = Host.CreateApplicationBuilder(args);

var config = AppConfigLoader.LoadConfigFromEnv();
builder.Services.AddSingleton(config);

var repositoryConfig = await RepoConfigLoader.LoadConfigAsync(config.RepositoryConfigFilePath);
builder.Services.AddSingleton(repositoryConfig);

builder.Services.AddHttpClient("github", client =>
{
    client.BaseAddress = new Uri("https://api.github.com/");
    client.DefaultRequestHeaders.UserAgent.ParseAdd("ForgejoReleaseSync");
    client.DefaultRequestHeaders.Accept.ParseAdd("application/vnd.github+json");
});

builder.Services.AddHttpClient("forgejo", client =>
{
    client.BaseAddress = new Uri(config.ForgejoInstacne.TrimEnd('/') + "/");
    client.DefaultRequestHeaders.UserAgent.ParseAdd("ForgejoReleaseSync");
    client.DefaultRequestHeaders.Authorization =
        new AuthenticationHeaderValue("token", config.ForgejoToken);
});

builder.Services.AddHttpClient("asset-download", client =>
{
    client.DefaultRequestHeaders.UserAgent.ParseAdd("ForgejoReleaseSync");
});

builder.Services.AddSingleton<GithubService>();
builder.Services.AddSingleton<ForgejoService>();
builder.Services.AddSingleton<ReleaseAssetDownloadService>();
builder.Services.AddSingleton<SyncService>();

var app = builder.Build();

using var scope = app.Services.CreateScope();

await scope.ServiceProvider
    .GetRequiredService<SyncService>()
    .Sync();