pipu-music/services/api/cmd/api/main.go

// Команда api — публичный REST API Pipu Music.
package main

import (
	"context"
	"log/slog"
	"os"
	"os/signal"
	"syscall"

	"github.com/redis/go-redis/v9"

	"pipu/api/internal/buildinfo"
	"pipu/api/internal/platform/config"
	"pipu/api/internal/platform/db"
	"pipu/api/internal/platform/httpx"
	"pipu/api/internal/server"
	"pipu/api/internal/system"
)

func main() {
	if err := run(); err != nil {
		slog.Error("api stopped", "err", err)
		os.Exit(1)
	}
}

func run() error {
	cfg, err := config.Load[config.API]()
	if err != nil {
		return err
	}
	log := httpx.NewLogger(cfg.LogLevel)
	slog.SetDefault(log)

	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
	defer stop()

	pool, err := db.Connect(ctx, cfg.DatabaseURL)
	if err != nil {
		return err
	}
	defer pool.Close()

	if cfg.MigrateOnStart {
		if err := db.Migrate(ctx, pool); err != nil {
			return err
		}
		log.Info("migrations applied")
	}

	redisOpts, err := redis.ParseURL(cfg.RedisURL)
	if err != nil {
		return err
	}
	rdb := redis.NewClient(redisOpts)
	defer func() { _ = rdb.Close() }()

	sys := system.NewHandler(system.Info{
		Version:               buildinfo.Version,
		SupportedLocales:      cfg.SupportedLocales,
		MinAndroidVersionCode: cfg.MinAndroidVersionCode,
	}, log, map[string]system.Checker{
		"postgres": system.CheckerFunc(pool.Ping),
		"redis":    system.CheckerFunc(func(ctx context.Context) error { return rdb.Ping(ctx).Err() }),
	})

	srv := httpx.NewServer(cfg.HTTPAddr, server.NewRouter(server.Deps{Log: log, System: sys}))
	log.Info("starting", "version", buildinfo.Version)
	return httpx.Serve(ctx, log, srv, cfg.ShutdownTimeout)
}