#!/bin/bash
# Test Docker Volumes persistence
echo "Testing Docker Volumes..."
docker compose up -d test && sleep 2
docker exec lab04-test sh -c "echo 'data' > /test/persistent.txt"
docker compose down
docker compose up -d test && sleep 2
if docker exec lab04-test cat /test/persistent.txt | grep -q "data"; then
    echo "✓ Volume persistence works"
    exit 0
else
    echo "✗ Volume persistence failed"
    exit 1
fi