Almost there — finish setup

Add these in Hostinger → Websites → this app → Environment variables, then click Redeploy (or Restart):

• MASTER_KEY
• DB_USER / DB_PASSWORD / DB_NAME
• GOOGLE_CLIENT_ID / GOOGLE_CLIENT_SECRET

A fresh MASTER_KEY for you (keep it private; if you lose it, store keys must be re-imported):

Google login redirect URI to register: https://shopify.theadhive.com/auth/google/callback