kill/restart "stuck" docker after crash

restart_docker.sh

#!/bin/bash

# =================================================================
# Docker Desktop Recovery Script for macOS
# Use this when Docker Desktop hangs or fails to start due to 
# stale socket files or "out of disk space" crashes.
# =================================================================

echo "🚀 Starting Docker Desktop recovery..."

# 1. Forcefully terminate all Docker-related backend processes
# We use pkill to find processes by name. 2>/dev/null hides errors if no process is found.
echo "Stopping Docker processes..."
pkill -9 -f "com.docker.backend" 2>/dev/null
pkill -9 -f "docker info" 2>/dev/null
pkill -9 -f "docker-ai" 2>/dev/null

# Give the OS a moment to release the process hooks
sleep 2

# 2. Identify any stragglers
# This lists remaining Docker processes while filtering out the grep command itself
# and specific network daemons that shouldn't be killed.
echo "Checking for remaining Docker processes..."
ps aux | grep -i docker | grep -v grep | grep -v vmnetd | grep -v "pkill"

# 3. Clean up stale communication files
# Docker uses .sock, .lock, and .pid files to manage its state.
# If these remain after a crash, Docker Desktop will fail to launch.
# We use /Users/$USER to make this script work for any macOS user.
RUN_DIR="/Users/$USER/.docker/run"

echo "Cleaning up stale socket and lock files in $RUN_DIR..."
rm -f "$RUN_DIR/docker.sock"
rm -f "$RUN_DIR"/*.lock 2>/dev/null
rm -f "$RUN_DIR"/*.pid 2>/dev/null

# 4. Verify cleanup
if [ -d "$RUN_DIR" ] && [ "$(ls -A "$RUN_DIR" 2>/dev/null)" ]; then
    echo "⚠️  Note: Some files remain in $RUN_DIR:"
    ls "$RUN_DIR"
else
    echo "✅ Run directory is clear."
fi

# 5. Relaunch Docker Desktop
# This triggers the standard macOS 'open' command for the application.
echo "Restarting Docker Desktop..."
open -a Docker && echo "✨ Docker Desktop launch requested."