테넌트 등록 방식을 결정

backend/internal/bootstrap/bootstrap.go

@@ -17,6 +17,11 @@ func Run(db *gorm.DB) error {
 		return fmt.Errorf("migration failed: %w", err)
 	}
 
+	// 2. Seed Tenants
+	if err := SeedTenants(db); err != nil {
+		return fmt.Errorf("tenant seeding failed: %w", err)
+	}
+
 	slog.Info("[Bootstrap] User seed skipped (Kratos is SoT)")
 	slog.Info("[Bootstrap] Bootstrap completed successfully.")
 	return nil
@@ -27,6 +32,8 @@ func migrateSchemas(db *gorm.DB) error {
 	// Add all domain models here
 	return db.AutoMigrate(
 		&domain.Tenant{},
+		&domain.TenantDomain{},
+		&domain.User{},
 		&domain.ApiKey{},
 		&domain.IdentityProviderConfig{},
 		// &domain.RelyingParty{}, // TODO: Uncomment when model is ready

backend/internal/bootstrap/tenant_seed.go

@@ -0,0 +1,66 @@
+package bootstrap
+
+import (
+	"baron-sso-backend/internal/repository"
+	"baron-sso-backend/internal/service"
+	"context"
+	"log/slog"
+
+	"gorm.io/gorm"
+)
+
+type InitialTenantConfig struct {
+	Name        string
+	Slug        string
+	Description string
+	Domains     []string
+}
+
+// Hardcoded for now, can be moved to config file or env later
+var defaultTenants = []InitialTenantConfig{
+	{
+		Name:        "Hanmac Engineering",
+		Slug:        "hanmac",
+		Description: "Primary Family Company",
+		Domains:     []string{"hanmaceng.co.kr", "hmac.kr"},
+	},
+}
+
+func SeedTenants(db *gorm.DB) error {
+	slog.Info("[Bootstrap] Seeding initial tenants...")
+	repo := repository.NewTenantRepository(db)
+	svc := service.NewTenantService(repo)
+	ctx := context.Background()
+
+	for _, config := range defaultTenants {
+		existing, err := repo.FindBySlug(ctx, config.Slug)
+		if err == nil && existing != nil {
+			slog.Info("[Bootstrap] Tenant already exists, checking domains...", "slug", config.Slug)
+			// Optional: Check and add missing domains
+			for _, d := range config.Domains {
+				found := false
+				for _, ed := range existing.Domains {
+					if ed.Domain == d {
+						found = true
+						break
+					}
+				}
+				if !found {
+					slog.Info("[Bootstrap] Adding missing domain to tenant", "slug", config.Slug, "domain", d)
+					if err := repo.AddDomain(ctx, existing.ID, d); err != nil {
+						slog.Error("Failed to add domain", "error", err)
+					}
+				}
+			}
+			continue
+		}
+
+		slog.Info("[Bootstrap] Creating default tenant", "name", config.Name, "slug", config.Slug)
+		_, err = svc.RegisterTenant(ctx, config.Name, config.Slug, config.Description, config.Domains)
+		if err != nil {
+			slog.Error("Failed to seed tenant", "slug", config.Slug, "error", err)
+			return err
+		}
+	}
+	return nil
+}