feat: lamassu initial dockerize approach

feat: improve dockerization

feat: finished initial versions of dockerfiles

fix: small fixes to image building

lib/db-migrate-store.js

@@ -15,8 +15,8 @@ DbMigrateStore.prototype.save = function (set, fn) {
 }
 
 DbMigrateStore.prototype.load = function (fn) {
-  db.one('select data from migrations').then(({ data }) => {
-    fn(null, data)
+  db.oneOrNone('select data from migrations').then(res => {
+    fn(null, res?.data || {})
   })
 }