every go routine needs to have its own collection factory

this is needed so concurrent reads and writes are possible.

api/packages.go

@@ -6,7 +6,8 @@ import (
 
 // GET /api/packages/:key
 func apiPackagesShow(c *gin.Context) {
-	p, err := context.CollectionFactory().PackageCollection().ByKey([]byte(c.Params.ByName("key")))
+	collectionFactory := context.NewCollectionFactory()
+	p, err := collectionFactory.PackageCollection().ByKey([]byte(c.Params.ByName("key")))
 	if err != nil {
 		c.AbortWithError(404, err)
 		return