Little tweaks to make it work... In a devcontainer anyway....

.devcontainer/postCreateCommand.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -e
+
+echo "Setting up PfosiLooking monorepo dependencies..."
+echo "Using Node version: $(node --version)"
+
+# Install root dependencies first
+echo "Installing root dependencies..."
+npm install
+
+echo "Installing backend dependencies..."
+cd backend && npm install
+cd ..
+
+echo "Installing app dependencies (Ionic 3 with legacy packages)..."
+cd app
+
+# For Node 14 and older Ionic 3 projects, we need special handling
+echo "Installing with legacy peer dependencies support..."
+if npm install --legacy-peer-deps; then
+    echo "App dependencies installed successfully!"
+else
+    echo "Standard install failed, trying alternative approach..."
+    # Try with force flag as last resort for very old packages
+    npm install --legacy-peer-deps --force
+fi
+
+cd ..
+
+echo "All dependencies installed successfully!"
+echo "You can now start development with: npm run dev:all"