use tags to select abdger db

db_badger.go

@@ -0,0 +1,14 @@
+// +build badger
+
+package main
+
+import (
+    "github.com/fiatjaf/eventstore/badger"
+)
+
+func getDB() badger.BadgerBackend {
+    return badger.BadgerBackend{
+        Path: getEnv("DB_PATH"),
+    }
+}
+