get unsynced symbol-asOfDate combos in batches

use `clickhouse.sakal.us` instead of `kubectl port-forward`

server/src/env.ts

@@ -1,7 +1,21 @@
+import path from 'path';
+import { fileURLToPath } from 'url';
 import dotenv from 'dotenv';
 
-if(process.env.NODE_DEV==="development"){
-  dotenv.config({ path:"../.env.development" });
+/** ES modules cannot use `__dirname`, so we have to mimic its functionality.
+ *  Taken from [https://flaviocopes.com/fix-dirname-not-defined-es-module-scope/]
+ */
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+if(process.env.NODE_ENV==="development"){
+  const ret = dotenv.config({ path:`${__dirname}/../.env.development` });
+  if(ret.parsed){
+    console.log("parsed!", process.env)
+  }
+  else{
+    console.log("not parsed ;-(", ret.error)
+  }
 }
 
 export default null;