[teamai] Push 87 resource(s) from XingfenD

.teamai/skills/common/golang-cli/assets/examples/signal.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"github.com/spf13/cobra"
+)
+
+// Use signal.NotifyContext to propagate cancellation through context.
+var serveWithSignalCmd = &cobra.Command{
+	Use:   "serve",
+	Short: "Start the server",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		ctx, stop := signal.NotifyContext(cmd.Context(), os.Interrupt, syscall.SIGTERM)
+		defer stop()
+
+		srv := &http.Server{Addr: ":8080"}
+		go func() {
+			<-ctx.Done()
+			shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+			defer cancel()
+			srv.Shutdown(shutdownCtx)
+		}()
+
+		slog.Info("server starting", "addr", srv.Addr)
+		if err := srv.ListenAndServe(); err != http.ErrServerClosed {
+			return fmt.Errorf("server failed: %w", err)
+		}
+		return nil
+	},
+}