diff --git a/docker-compose.yml b/docker-compose.yml
index 95caa04..6d735c3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,9 +16,13 @@ services:
       - LOG_LEVEL=INFO
     volumes:
       - ./backend/src:/app/src
+      - ./backend/scripts:/app/scripts
       - /etc/localtime:/etc/localtime:ro
     networks:
       - shared_network
+    depends_on:
+      oracle18c:
+        condition: service_healthy
     restart: unless-stopped
 
   frontend:
@@ -47,7 +51,7 @@ services:
       environment:
         - ORACLE_PASSWORD=local123
         - ORACLE_CHARACTERSET=AL32UTF8
-        - APP_USER=locasl123
+        - APP_USER=local123
         - APP_USER_PASSWORD=local123
         - TZ=America/Sao_Paulo
       ports:
@@ -69,4 +73,4 @@ networks:
 
 volumes:
   oracle_data:
-    driver: local
\ No newline at end of file
+    driver: local
diff --git a/start-ngrok.sh b/start-ngrok.sh
index 116de2e..e9ea830 100755
--- a/start-ngrok.sh
+++ b/start-ngrok.sh
@@ -1,20 +1,27 @@
 #!/bin/bash
 
-echo "=== Ranking CAPES - Iniciando sistema ==="
+echo "=== Ranking CAPES - Iniciando com ngrok ==="
 
+cd /home/fred/projetos/ranking
+
+echo "[1/5] Parando containers antigos..."
+docker compose down 2>/dev/null
+
+echo "[2/5] Limpando portas ocupadas..."
+sudo fuser -k 8000/tcp 2>/dev/null
+sudo fuser -k 5173/tcp 2>/dev/null
+
+echo "[3/5] Matando ngrok antigo..."
 pkill -f "ngrok http 5173" 2>/dev/null
 
+echo "[4/5] Criando rede e subindo containers..."
 docker network create shared_network 2>/dev/null
-
-echo "[1/3] Liberando portas ocupadas..."
-sudo lsof -i :8000 -t 2>/dev/null | xargs -r sudo kill -9
-sudo lsof -i :5173 -t 2>/dev/null | xargs -r sudo kill -9
-
-echo "[2/3] Subindo containers Docker..."
-cd /home/fred/projetos/ranking
 docker compose up -d backend frontend
+echo "Aguardando backend subir (e Oracle ficar healthy)..."
+sleep 10
+docker compose up -d backend frontend >/dev/null
 
-sleep 3
+sleep 2
 
 if ! docker ps | grep -q ranking_backend; then
     echo "ERRO: Backend não subiu!"
@@ -26,7 +33,10 @@ if ! docker ps | grep -q ranking_frontend; then
     exit 1
 fi
 
-echo "[3/3] Iniciando ngrok..."
+echo "[4b/5] Rodando bootstrap (ranking + componente B) dentro do backend..."
+docker exec ranking_backend bash -lc "ORACLE_LOCAL_DSN=oracle18c:1521/XEPDB1 /app/scripts/bootstrap_ranking.sh"
+
+echo "[5/5] Iniciando ngrok..."
 ngrok http 5173 --log=stdout > /tmp/ngrok-ranking.log 2>&1 &
 
 sleep 4