diff --git a/app/core/config.py b/app/core/config.py
index 347256a..ff503e2 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -5,7 +5,7 @@ load_dotenv()
 
 # PostgreSQL
 DB_HOST     = os.getenv("DB_HOST")
-DB_PORT     = int(os.getenv("DB_PORT"))
+DB_PORT     = int(os.getenv("DB_PORT", "5432"))
 DB_NAME     = os.getenv("DB_NAME", "wifi_etl")
 DB_USER     = os.getenv("DB_USER", "postgres")
 DB_PASSWORD = os.getenv("DB_PASSWORD")
diff --git a/infra/entrypoint.sh b/infra/entrypoint.sh
index 37ed3cc..49d2539 100644
--- a/infra/entrypoint.sh
+++ b/infra/entrypoint.sh
@@ -1,14 +1,8 @@
 #!/bin/bash
 echo "=== WiFi ETL Container Starting ==="
 
-# Exporta variáveis do .env para o ambiente do cron
-if [ -f /app/.env ]; then
-    set -a
-    source /app/.env
-    set +a
-    # Persiste no ambiente do cron
-    printenv | grep -v "^_=" >> /etc/environment
-fi
+# Persiste variáveis de ambiente para o cron
+printenv | grep -v "^_=" >> /etc/environment
 
 echo "Executando primeira corrida ETL..."
 cd /app && python -m app.main || echo "ETL inicial falhou (ver logs). O cron continuará rodando."