core: move storage setting to ~/.hydro/env

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.36.2",
+    "version": "2.36.4",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/service/storage.ts

@@ -99,7 +99,7 @@ class StorageService {
                 endPointForUser,
                 endPointForJudge,
             };
-            if (process.env.MINIO_ACCESS_KEY && process.env.MINIO_SECRET_KEY) {
+            if (process.env.MINIO_ACCESS_KEY) {
                 logger.info('Using MinIO key from environment variables');
                 this.opts.accessKey = process.env.MINIO_ACCESS_KEY;
                 this.opts.secretKey = process.env.MINIO_SECRET_KEY;