Separate environment configs (#6597)

* Separate environment configs

* wip

* wip

* test

* plugins

* test

* test

* .sequelizerc, unfortunately can't go through /utils/environment due to not supporting TS

* docker-compose -> docker compose

* fix: .local wipes .development

* Add custom validation message for invalid SECRET_KEY (often confused)

package.json

@@ -99,7 +99,7 @@
     "date-fns": "^2.30.0",
     "dd-trace": "^3.33.0",
     "diff": "^5.1.0",
-    "dotenv": "^4.0.0",
+    "dotenv": "^16.4.5",
     "email-providers": "^1.14.0",
     "emoji-mart": "^5.5.2",
     "emoji-regex": "^10.3.0",
@@ -247,6 +247,7 @@
     "@types/body-scroll-lock": "^3.1.0",
     "@types/crypto-js": "^4.2.1",
     "@types/diff": "^5.0.4",
+    "@types/dotenv": "^8.2.0",
     "@types/emoji-regex": "^9.2.0",
     "@types/express-useragent": "^1.0.2",
     "@types/formidable": "^2.0.6",