60 lines
2.1 KiB
Bash
60 lines
2.1 KiB
Bash
#!/bin/bash
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echo "🚀 Starting Docker cleanup script..."
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# 1. 清理已停止的容器
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echo "➡️ Step 1: Removing all stopped containers..."
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# -f: 强制删除
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# docker ps -a -q: 列出所有容器（包括已停止的），并只显示ID
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docker container prune -f
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echo "✅ Done. Stopped containers have been removed."
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# 2. 清理未使用的网络
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echo "➡️ Step 2: Removing unused networks..."
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docker network prune -f
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echo "✅ Done. Unused networks have been removed."
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# 3. 清理所有未使用的镜像
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echo "➡️ Step 3: Removing all unused images..."
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# docker image prune -a: -a 参数会删除所有未被任何容器引用的镜像，包括有标签的。
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docker image prune -a -f
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echo "✅ Done. All unused images have been removed."
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# 4. 清理所有未使用的卷
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echo "➡️ Step 4: Removing unused volumes..."
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# 警告：卷通常用于持久化数据，请确保其中的数据不再需要。
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docker volume prune -f
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echo "✅ Done. Unused volumes have been removed."
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# 5. 清理 Docker 构建缓存
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echo "➡️ Step 5: Cleaning up Docker build cache..."
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docker builder prune -f
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echo "✅ Done. Build cache has been cleared."
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# 6. 一键式清理，以防有遗漏
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echo "➡️ Step 6: Running a final system-wide prune for good measure..."
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docker system prune -a -f
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echo "✅ Done. The final system prune is complete."
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# 检查是否以 root 权限运行
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if [ "$EUID" -ne 0 ]; then
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echo "⚠️ This script requires root privileges. Please run with 'sudo'."
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exit 1
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fi
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echo "➡️ Truncating log files for all containers..."
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# 使用 docker inspect 命令获取日志文件的完整路径
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for container_id in $(docker ps -aq); do
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log_path=$(docker inspect --format='{{.LogPath}}' "$container_id")
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if [ -f "$log_path" ]; then
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log_size=$(du -sh "$log_path" | cut -f1)
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if [ "$log_size" != "0" ]; then
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echo " - Cleaning log file for container ID: $container_id (Size: $log_size)"
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truncate -s 0 "$log_path"
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fi
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fi
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done
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echo "🎉 Docker cleanup finished! Checking disk usage again..."
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df -h /var/lib/docker |