chore: omit associations by default

internal/domain/repository.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"github.com/jsiebens/ionscale/internal/util"
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 	"net/http"
 	"sync"
 	"tailscale.com/tailcfg"
@@ -98,7 +99,7 @@ type repository struct {
 }
 
 func (r *repository) withContext(ctx context.Context) *gorm.DB {
-	return r.db.WithContext(ctx)
+	return r.db.WithContext(ctx).Omit(clause.Associations)
 }
 
 func (r *repository) Transaction(action func(Repository) error) error {

internal/handlers/authentication.go

@@ -479,8 +479,10 @@ func (h *AuthenticationHandlers) endMachineRegistrationFlow(c echo.Context, form
 			KeyExpiryDisabled: len(tags) != 0,
 			Authorized:        !tailnet.MachineAuthorizationEnabled || authorized,
 
-			User:    *user,
+			User:      *user,
-			Tailnet: *tailnet,
+			UserID:    user.ID,
+			Tailnet:   *tailnet,
+			TailnetID: tailnet.ID,
 		}
 
 		ipv4, ipv6, err := addr.SelectIP(checkIP(ctx, h.repository.CountMachinesWithIPv4))

internal/handlers/registration.go

@@ -202,8 +202,10 @@ func (h *RegistrationHandlers) authenticateMachineWithAuthKey(c echo.Context, ma
 			KeyExpiryDisabled: len(tags) != 0,
 			Authorized:        !tailnet.MachineAuthorizationEnabled || authKey.PreAuthorized,
 
-			User:    user,
+			User:      user,
-			Tailnet: tailnet,
+			UserID:    user.ID,
+			Tailnet:   tailnet,
+			TailnetID: tailnet.ID,
 		}
 
 		if !req.Expiry.IsZero() {