Xdebug can't connect back to Docker host

php docker xdebug boot2docker docker-machine

PHP Snippet 1:

zend_extension = xdebug.so
xdebug.remote_enable = 1
xdebug.remote_connect_back = 0
xdebug.remote_host = docker.for.mac.localhost
xdebug.remote_port = 9000
xdebug.remote_handler = dbgp
xdebug.remote_mode = req
xdebug.remote_autostart = 1
xdebug.idekey = PHPSTORM

PHP Snippet 2:

sudo lsof -nP -iTCP -sTCP:LISTEN

PHP Snippet 3:

zend_extension=xdebug.so
xdebug.mode=debug
xdebug.client_host=host.docker.internal
xdebug.client_port=9009

PHP Snippet 4:

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Listen for Xdebug",
            "type": "php",
            "request": "launch",
            "port": 9003,
            "pathMappings": {
                "/var/www/html/": "${workspaceFolder}"
            }
        },
    ]
}