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)

plugins/oidc/server/oidc.ts

@@ -0,0 +1,18 @@
+import invariant from "invariant";
+import OAuthClient from "@server/utils/oauth";
+import env from "./env";
+
+export default class OIDCClient extends OAuthClient {
+  endpoints = {
+    authorize: env.OIDC_AUTH_URI || "",
+    token: env.OIDC_TOKEN_URI || "",
+    userinfo: env.OIDC_USERINFO_URI || "",
+  };
+
+  constructor() {
+    invariant(env.OIDC_CLIENT_ID, "OIDC_CLIENT_ID is required");
+    invariant(env.OIDC_CLIENT_SECRET, "OIDC_CLIENT_SECRET is required");
+
+    super(env.OIDC_CLIENT_ID, env.OIDC_CLIENT_SECRET);
+  }
+}