67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package app
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import (
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"context"
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"database/sql"
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"fmt"
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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_ "github.com/jackc/pgx/v5/stdlib"
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"github.com/joho/godotenv"
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)
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func initApp() (*App, func(), error) {
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_ = godotenv.Load()
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cfg, err := loadConfig()
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if err != nil {
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return nil, nil, fmt.Errorf("config error: %w", err)
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}
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db, err := sql.Open("pgx", cfg.DatabaseURL)
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if err != nil {
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return nil, nil, fmt.Errorf("database open error: %w", err)
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}
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cleanup := func() { _ = db.Close() }
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if err := db.Ping(); err != nil {
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cleanup()
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return nil, nil, fmt.Errorf("database ping error: %w", err)
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}
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a := &App{cfg: cfg, db: db}
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if err := a.migrate(context.Background()); err != nil {
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cleanup()
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return nil, nil, fmt.Errorf("migration error: %w", err)
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}
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return a, cleanup, nil
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}
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func Run() error {
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app, cleanup, err := initApp()
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if err != nil {
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return err
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}
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defer cleanup()
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handler := app.routes()
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servers, sockCleanup, err := startServers(app.cfg, handler)
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if err != nil {
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return fmt.Errorf("server start error: %w", err)
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}
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defer sockCleanup()
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log.Printf("server started: tcp=%q unix=%q dev_mode=%t", app.cfg.ListenAddr, app.cfg.UnixSocketPath, app.cfg.DevMode)
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, os.Interrupt, syscall.SIGTERM)
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<-sigCh
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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for _, s := range servers {
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if err := s.Shutdown(ctx); err != nil {
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log.Printf("shutdown error: %v", err)
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}
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}
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log.Printf("shutdown complete")
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return nil
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}
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