refactor: complete conversion of log calls to slog (#787)

backend/internal/bootstrap/bootstrap.go

@@ -27,7 +27,10 @@ func Bootstrap(ctx context.Context) error {
 	}
 
 	// Connect to the database
-	db := NewDatabase()
+	db, err := NewDatabase()
+	if err != nil {
+		return fmt.Errorf("failed to initialize database: %w", err)
+	}
 
 	// Create all services
 	svc, err := initServices(ctx, db, httpClient)

backend/internal/bootstrap/db_bootstrap.go

@@ -3,7 +3,6 @@ package bootstrap
 import (
 	"errors"
 	"fmt"
-	"log"
 	"log/slog"
 	"net/url"
 	"strings"
@@ -25,14 +24,14 @@ import (
 	"github.com/pocket-id/pocket-id/backend/resources"
 )
 
-func NewDatabase() (db *gorm.DB) {
-	db, err := connectDatabase()
+func NewDatabase() (db *gorm.DB, err error) {
+	db, err = connectDatabase()
 	if err != nil {
-		log.Fatalf("failed to connect to database: %v", err)
+		return nil, fmt.Errorf("failed to connect to database: %w", err)
 	}
 	sqlDb, err := db.DB()
 	if err != nil {
-		log.Fatalf("failed to get sql.DB: %v", err)
+		return nil, fmt.Errorf("failed to get sql.DB: %w", err)
 	}
 
 	// Choose the correct driver for the database provider
@@ -44,18 +43,18 @@ func NewDatabase() (db *gorm.DB) {
 		driver, err = postgresMigrate.WithInstance(sqlDb, &postgresMigrate.Config{})
 	default:
 		// Should never happen at this point
-		log.Fatalf("unsupported database provider: %s", common.EnvConfig.DbProvider)
+		return nil, fmt.Errorf("unsupported database provider: %s", common.EnvConfig.DbProvider)
 	}
 	if err != nil {
-		log.Fatalf("failed to create migration driver: %v", err)
+		return nil, fmt.Errorf("failed to create migration driver: %w", err)
 	}
 
 	// Run migrations
 	if err := migrateDatabase(driver); err != nil {
-		log.Fatalf("failed to run migrations: %v", err)
+		return nil, fmt.Errorf("failed to run migrations: %w", err)
 	}
 
-	return db
+	return db, nil
 }
 
 func migrateDatabase(driver database.Driver) error {

backend/internal/bootstrap/e2etest_router_bootstrap.go

@@ -3,7 +3,8 @@
 package bootstrap
 
 import (
-	"log"
+	"log/slog"
+	"os"
 
 	"github.com/gin-gonic/gin"
 	"gorm.io/gorm"
@@ -18,7 +19,8 @@ func init() {
 		func(apiGroup *gin.RouterGroup, db *gorm.DB, svc *services) {
 			testService, err := service.NewTestService(db, svc.appConfigService, svc.jwtService, svc.ldapService)
 			if err != nil {
-				log.Fatalf("failed to initialize test service: %v", err)
+				slog.Error("Failed to initialize test service", slog.Any("error", err))
+				os.Exit(1)
 				return
 			}
 

backend/internal/bootstrap/services_bootstrap.go

@@ -29,7 +29,10 @@ type services struct {
 func initServices(ctx context.Context, db *gorm.DB, httpClient *http.Client) (svc *services, err error) {
 	svc = &services{}
 
-	svc.appConfigService = service.NewAppConfigService(ctx, db)
+	svc.appConfigService, err = service.NewAppConfigService(ctx, db)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create app config service: %w", err)
+	}
 
 	svc.emailService, err = service.NewEmailService(db, svc.appConfigService)
 	if err != nil {
@@ -54,7 +57,11 @@ func initServices(ctx context.Context, db *gorm.DB, httpClient *http.Client) (sv
 	svc.userGroupService = service.NewUserGroupService(db, svc.appConfigService)
 	svc.ldapService = service.NewLdapService(db, httpClient, svc.appConfigService, svc.userService, svc.userGroupService)
 	svc.apiKeyService = service.NewApiKeyService(db, svc.emailService)
-	svc.webauthnService = service.NewWebAuthnService(db, svc.jwtService, svc.auditLogService, svc.appConfigService)
+
+	svc.webauthnService, err = service.NewWebAuthnService(db, svc.jwtService, svc.auditLogService, svc.appConfigService)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create WebAuthn service: %w", err)
+	}
 
 	return svc, nil
 }