diff --git a/docker-compose.yml b/docker-compose.yml
index 6326184..43a9dee 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,7 +16,7 @@ services:
     volumes:
       - pgdata:/var/lib/postgresql/data
     networks:
-      - edumanager-internal
+      - edumanager-network
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U edumanager"]
       interval: 10s
@@ -36,7 +36,7 @@ services:
     volumes:
       - miniodata:/data
     networks:
-      - edumanager-internal
+      - edumanager-network
       - network_public
     deploy:
       labels:
@@ -71,7 +71,7 @@ services:
       - ASAAS_API_URL=${ASAAS_API_URL}
       - ASAAS_WEBHOOK_TOKEN=${ASAAS_WEBHOOK_TOKEN}
     networks:
-      - edumanager-internal
+      - edumanager-network
       - network_public
     deploy:
       labels:
@@ -102,7 +102,7 @@ services:
       - MINIO_SECRET_KEY=${MINIO_ROOT_PASSWORD:-MiniO2026!Seguro}
       - MINIO_PUBLIC_URL=${MINIO_PUBLIC_URL:-https://storageedu.microtecinformaticacurso.com.br}
     networks:
-      - edumanager-internal
+      - edumanager-network
       - network_public
     deploy:
       labels:
@@ -119,7 +119,7 @@ volumes:
   miniodata:
 
 networks:
-  edumanager-internal:
-    driver: overlay
+  edumanager-network:
+    driver: bridge
   network_public:
     external: true
diff --git a/manager/scratch/db_diag.js b/manager/scratch/db_diag.js
new file mode 100644
index 0000000..c1cac03
--- /dev/null
+++ b/manager/scratch/db_diag.js
@@ -0,0 +1,35 @@
+
+import pkg from 'pg';
+const { Pool } = pkg;
+
+const DATABASE_URL = 'postgresql://edumanager:EduManager2026!Seguro@postgres:5432/edumanager';
+const pool = new Pool({
+  connectionString: DATABASE_URL
+});
+
+async function test() {
+  try {
+    console.log('--- TESTANDO CONEXÃO ---');
+    const { rows: tables } = await pool.query("SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'");
+    console.log('Tabelas encontradas:', tables.map(t => t.table_name).join(', '));
+
+    console.log('\n--- CONTAGEM DE REGISTROS ---');
+    const { rows: countSub } = await pool.query('SELECT COUNT(*) FROM provas_submissoes');
+    console.log('Total em provas_submissoes:', countSub[0].count);
+
+    const { rows: countNot } = await pool.query('SELECT COUNT(*) FROM notas_boletim');
+    console.log('Total em notas_boletim:', countNot[0].count);
+
+    if (countSub[0].count > 0) {
+        const { rows: samples } = await pool.query('SELECT * FROM provas_submissoes LIMIT 1');
+        console.log('\nExemplo de submissão:', samples[0]);
+    }
+
+  } catch (err) {
+    console.error('ERRO NO TESTE:', err.message);
+  } finally {
+    await pool.end();
+  }
+}
+
+test();