Add server components

server/feedback-mailer/main.go

@@ -0,0 +1,92 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"syscall"
+	"time"
+
+	"ymhut-box/server/feedback-mailer/internal/auth"
+	"ymhut-box/server/feedback-mailer/internal/config"
+	"ymhut-box/server/feedback-mailer/internal/db"
+	"ymhut-box/server/feedback-mailer/internal/web"
+)
+
+func main() {
+	baseDir := findBaseDir()
+	cfg, err := config.Load(baseDir)
+	if err != nil {
+		log.Fatalf("load config: %v", err)
+	}
+
+	store, err := db.Open(cfg)
+	if err != nil {
+		log.Fatalf("open database: %v", err)
+	}
+	defer store.Close()
+
+	authService := auth.NewService(cfg)
+	router := web.NewRouter(cfg, store, authService)
+
+	addr := cfg.Listen
+	if addr == "" {
+		addr = ":8080"
+	}
+	log.Printf("YMhut Box feedback service listening on %s", addr)
+	server := &http.Server{Addr: addr, Handler: router}
+	go func() {
+		if err := server.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
+			log.Fatalf("serve: %v", err)
+		}
+	}()
+
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
+	defer stop()
+	<-ctx.Done()
+
+	shutdownCtx, cancel := context.WithTimeout(context.Background(), 8*time.Second)
+	defer cancel()
+	if err := server.Shutdown(shutdownCtx); err != nil {
+		log.Fatalf("shutdown: %v", err)
+	}
+	log.Println("YMhut Box feedback service stopped")
+}
+
+func findBaseDir() string {
+	if value := os.Getenv("YMHUT_FEEDBACK_HOME"); value != "" {
+		if abs, err := filepath.Abs(value); err == nil {
+			return abs
+		}
+		return value
+	}
+
+	if wd, err := os.Getwd(); err == nil && looksLikeServiceRoot(wd) {
+		return wd
+	}
+
+	exe, err := os.Executable()
+	if err == nil {
+		return filepath.Dir(exe)
+	}
+
+	wd, err := os.Getwd()
+	if err == nil {
+		return wd
+	}
+
+	return "."
+}
+
+func looksLikeServiceRoot(path string) bool {
+	for _, name := range []string{"config.txt", "admin-web", "web"} {
+		if _, err := os.Stat(filepath.Join(path, name)); err == nil {
+			return true
+		}
+	}
+	return false
+}