diff --git a/README.md b/README.md
index 3e56a34..5054d45 100644
--- a/README.md
+++ b/README.md
@@ -150,7 +150,7 @@ ORACLE_DSN=host:1521/service_name
 poetry run python src/main.py
 ```
 
-A API estará disponível em `http://localhost:8000`
+A API estará disponível em `http://localhost:8010`
 
 ### Frontend
 
@@ -185,7 +185,7 @@ cp .env.example .env
 docker-compose up -d
 ```
 
-- Backend: `http://localhost:8000`
+- Backend: `http://localhost:8010`
 - Frontend: `http://localhost`
 
 ## Endpoints da API
@@ -231,8 +231,8 @@ Health check da API.
 ## Documentação da API
 
 Após iniciar o backend, acesse:
-- Swagger UI: `http://localhost:8000/docs`
-- ReDoc: `http://localhost:8000/redoc`
+- Swagger UI: `http://localhost:8010/docs`
+- ReDoc: `http://localhost:8010/redoc`
 
 ## Desenvolvimento
 
diff --git a/backend/scripts/bootstrap_ranking.sh b/backend/scripts/bootstrap_ranking.sh
old mode 100644
new mode 100755
index 8c6afc9..b90bf79
--- a/backend/scripts/bootstrap_ranking.sh
+++ b/backend/scripts/bootstrap_ranking.sh
@@ -1,6 +1,15 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
+# Escolhe binário do Python (funciona no host ou dentro do container)
+if [ -x "./venv/bin/python" ]; then
+  VENV_PY="./venv/bin/python"
+elif command -v python3 >/dev/null 2>&1; then
+  VENV_PY="python3"
+else
+  VENV_PY="python"
+fi
+
 # Configs
 DSN_CANDIDATES=()
 if [ -n "${ORACLE_LOCAL_DSN:-}" ]; then
@@ -8,7 +17,6 @@ if [ -n "${ORACLE_LOCAL_DSN:-}" ]; then
 fi
 DSN_CANDIDATES+=("127.0.0.1:1521/XEPDB1" "oracle18c:1521/XEPDB1" "mqapilc_oracle18c:1521/XEPDB1")
 API_URL=${API_URL:-"http://localhost:8000"}
-VENV_PY="./venv/bin/python"
 
 echo "[1/5] Aguardando Oracle..."
 DSN_HOST=""
@@ -44,6 +52,14 @@ cur.close();conn.close()
 PY
 )
 echo "  Registros na TB_RANKING_CONSULTOR: ${COUNT}"
+MAX_B=$($VENV_PY - <<PY
+import cx_Oracle
+conn=cx_Oracle.connect("local123","local123","${DSN_HOST}")
+cur=conn.cursor();cur.execute("select nvl(max(componente_b),0) from tb_ranking_consultor")
+print(cur.fetchone()[0])
+cur.close();conn.close()
+PY
+)
 
 if [ "${COUNT}" -eq 0 ]; then
   echo "[3/5] Rodando job de ranking (A/C/D)..."
@@ -51,7 +67,7 @@ if [ "${COUNT}" -eq 0 ]; then
   # Espera concluir
   while true; do
     STATUS=$(curl -s "${API_URL}/api/v1/ranking/status")
-    running=$(python - <<'PY'
+    running=$($VENV_PY - <<'PY'
 import os, json
 data=json.loads(os.environ["STATUS"])
 print(data.get("running", False))
@@ -63,10 +79,21 @@ STATUS="$STATUS")
     fi
     sleep 20
   done
+  NEED_B="yes"
+elif [ "${MAX_B}" -eq 0 ]; then
+  echo "[3/5] Tabela já tem dados, mas componente B nunca foi preenchido (max=0)."
+  NEED_B="yes"
+else
+  echo "[3/5] Tabela já possui dados e componente B preenchido (max=${MAX_B}). Pulando cálculo pesado."
+  NEED_B="no"
 fi
 
-echo "[4/5] Rodando Componente B (PPG)..."
-ORACLE_LOCAL_DSN=${DSN_HOST} PYTHONUNBUFFERED=1 $VENV_PY scripts/popular_componente_b.py
+if [ "${NEED_B}" = "yes" ]; then
+  echo "[4/5] Rodando Componente B (PPG)..."
+  ORACLE_LOCAL_DSN=${DSN_HOST} PYTHONUNBUFFERED=1 $VENV_PY scripts/popular_componente_b.py
+else
+  echo "[4/5] Componente B já presente, sem necessidade de recálculo."
+fi
 
 echo "[5/5] Contagens finais:"
 $VENV_PY - <<PY
@@ -75,6 +102,7 @@ conn=cx_Oracle.connect("local123","local123","${DSN_HOST}")
 cur=conn.cursor()
 cur.execute("select count(*) from tb_ranking_consultor"); print("total",cur.fetchone()[0])
 cur.execute("select count(*) from tb_ranking_consultor where componente_b>0"); print("B>0",cur.fetchone()[0])
+cur.execute("select max(componente_b) from tb_ranking_consultor"); print("max B",cur.fetchone()[0])
 cur.execute("select max(pontuacao_total) from tb_ranking_consultor"); print("max total",cur.fetchone()[0])
 cur.close();conn.close()
 PY
diff --git a/docker-compose.yml b/docker-compose.yml
index 6d735c3..4e88af8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
       context: ./backend
       dockerfile: Dockerfile
     ports:
-      - "8000:8000"
+      - "8010:8000"
     env_file:
       - ./backend/.env
     environment:
diff --git a/start-ngrok.sh b/start-ngrok.sh
index e9ea830..6c2e2d6 100755
--- a/start-ngrok.sh
+++ b/start-ngrok.sh
@@ -8,7 +8,7 @@ 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 8010/tcp 2>/dev/null
 sudo fuser -k 5173/tcp 2>/dev/null
 
 echo "[3/5] Matando ngrok antigo..."
@@ -57,7 +57,7 @@ echo "  URL Publica (ngrok): $NGROK_URL"
 echo ""
 echo "  URLs Locais:"
 echo "    - Frontend: http://localhost:5173"
-echo "    - Backend:  http://localhost:8000"
+echo "    - Backend:  http://localhost:8010"
 echo "    - Ngrok UI: http://localhost:4040"
 echo ""
 echo "=========================================="
diff --git a/start.sh b/start.sh
new file mode 100755
index 0000000..faa46a7
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+echo "=== Ranking CAPES - Iniciando sistema ==="
+
+cd /home/fred/projetos/ranking
+
+echo "[1/4] Parando containers antigos..."
+docker compose down 2>/dev/null
+
+echo "[2/4] Limpando portas ocupadas..."
+sudo fuser -k 8010/tcp 2>/dev/null
+sudo fuser -k 5173/tcp 2>/dev/null
+
+echo "[3/4] Criando rede Docker..."
+docker network create shared_network 2>/dev/null
+
+echo "[4/4] Subindo containers..."
+docker compose up -d backend frontend
+
+sleep 2
+
+echo ""
+docker ps --filter "name=ranking" --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}"
+echo ""
+echo "URLs Locais:"
+echo "  - Frontend: http://localhost:5173"
+echo "  - Backend:  http://localhost:8010"