diff --git a/.dockerignore b/.dockerignore
index 9292f67..fb56d69 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,4 +1,4 @@
-# .env - Should not be added because it contains private keys used for encryption
+# .env - Should not be added because it contains private keys used for encryption. Instead, provide env variables to the docker container. 
 .env
 
 # Logs
@@ -10,11 +10,6 @@ yarn-error.log*
 pnpm-debug.log*
 lerna-debug.log*
 
-node_modules
-dist
-dist-ssr
-*.local
-
 # Editor directories and files
 .vscode/*
 !.vscode/extensions.json
@@ -24,13 +19,4 @@ dist-ssr
 *.ntvs*
 *.njsproj
 *.sln
-*.sw?
-
-# Yarn
-.pnp.*
-.yarn/*
-!.yarn/patches
-!.yarn/plugins
-!.yarn/releases
-!.yarn/sdks
-!.yarn/versions
\ No newline at end of file
+*.sw?
\ No newline at end of file
diff --git a/.yarnrc b/.yarnrc
deleted file mode 100644
index 85b738b..0000000
--- a/.yarnrc
+++ /dev/null
@@ -1,5 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-yarn-path ".yarn/releases/yarn-1.22.22.cjs"
diff --git a/src/backend/index.ts b/src/backend/index.ts
index 090e6b7..835a5d0 100644
--- a/src/backend/index.ts
+++ b/src/backend/index.ts
@@ -4,6 +4,7 @@ import path from "node:path";
 import * as t from "io-ts";
 import * as jwt from "jsonwebtoken";
 
+// Requires Node.js 20.11 or higher
 const __dirname = import.meta.dirname;
 
 const ltijsKey = process.env.LTIJS_KEY;