Improve caching, move mutex to the cache implementation

application/repository/logs_test.go

@@ -70,7 +70,9 @@ func TestLogs_Get(t *testing.T) {
 	})
 	require.NoError(t, err)
 
-	ctx := context.Background()
+	ctx, cancel := context.WithCancel(context.Background())
+	t.Cleanup(cancel)
+
 	logger := zaptest.NewLogger(t)
 
 	require.NoError(t, application.Migrate(ctx, db, logger))
@@ -96,7 +98,7 @@ func TestLogs_Get(t *testing.T) {
 	_, err = db.NewInsert().Model(&testData).Exec(ctx)
 	require.NoError(t, err)
 
-	repo, err := NewConnLogs(ctx, db, make(inmemorycache.Cache), logger, time.Millisecond*100)
+	repo, err := NewConnLogs(ctx, db, inmemorycache.NewCache(), logger, time.Millisecond*100)
 	require.NoError(t, err)
 
 	t.Run("found dup", func(t *testing.T) {