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Variáveis de Configuração PÚBLICAS do Firebase (CRÍTICAS PARA O BUILD)

DEVE começar com NEXT_PUBLIC_

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NEXT_PUBLIC_FIREBASE_API_KEY="AIzaSyA7N1EO3npxFTiWktLQpekOwF2PJFjzjAg"
NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN="studio-1865525841-422c0.firebaseapp.com"
NEXT_PUBLIC_FIREBASE_PROJECT_ID="studio-1865525841-422c0"
NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET="studio-1865525841-422c0.firebasestorage.app"
NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID="13880616064"
NEXT_PUBLIC_FIREBASE_APP_ID="1:13880616064:web:f76ca7c174316e70a07265"

Variável que você já tinha:

GEMINI_API_KEY=