feat: bootstrap control plane app skeleton

cmd/cli/main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"log"
+
+	"sub2api-cn-relay-manager/internal/config"
+)
+
+func main() {
+	if err := execute(context.Background(), log.Writer(), func(context.Context) (config.StartupConfig, error) {
+		return config.LoadStartupFromEnv()
+	}); err != nil {
+		log.Fatalf("run cli: %v", err)
+	}
+}
+
+func execute(ctx context.Context, output io.Writer, loadConfig func(context.Context) (config.StartupConfig, error)) error {
+	cfg, err := loadConfig(ctx)
+	if err != nil {
+		return err
+	}
+
+	_, err = fmt.Fprintf(output, "sub2api-cn-relay-manager cli ready\nlisten_addr=%s\nsqlite_dsn=%s\n", cfg.Server.ListenAddr, cfg.Database.SQLiteDSN)
+	return err
+}