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)

server/test/globalSetup.js

@@ -1,4 +1,3 @@
-import "./env";
 import { sequelize } from "@server/storage/database";
 
 module.exports = async function () {