Latest.php

<?php
use TYPO3\Surf\Domain\Model\Node;
use TYPO3\Surf\Domain\Model\SimpleWorkflow;

$application = new \TYPO3\Surf\Application\TYPO3\Flow();
$application->setOption('repositoryUrl', 'git@git.acme.com:Distributions/Acme');
$application->setOption('localPackagePath', FLOW_PATH_DATA . 'Checkout' . DIRECTORY_SEPARATOR . $deployment->getName() . DIRECTORY_SEPARATOR . 'Latest' . DIRECTORY_SEPARATOR);
$application->setOption('composerCommandPath', 'composer');
$application->setOption('transferMethod', 'rsync');
$application->setOption('rsyncFlags', '--recursive --times --perms --links --delete');
$application->setOption('packageMethod', 'git');
$application->setOption('updateMethod', NULL);
$application->setContext('Production');
$application->setDeploymentPath('/acme');
$application->setOption('keepReleases', 2);
$deployment->addApplication($application);

$workflow = new SimpleWorkflow();
$workflow->setEnableRollback(TRUE);

// Prevent local Settings.yaml from being transferred
$workflow->defineTask('typo3.surf:shell:removeLocalConfiguration',
	'typo3.surf:shell',
	array('command' => 'cd "{releasePath}" && rm -f Configuration/Settings.yaml')
);
$workflow->beforeStage('migrate', array('typo3.surf:shell:removeLocalConfiguration'), $application);

// Patch using beard, if needed (see https://github.com/mneuhaus/Beard)
$workflow->defineTask('fn:beardpatch', 'typo3.surf:localshell', array('command' => 'cd "{workspacePath}" && php beard.phar patch'));
$workflow->beforeStage('transfer', 'fn:beardpatch');

// Remove resource links since they're absolute symlinks to previous releases (will be generated again automatically)
$workflow->defineTask('typo3.surf:shell:unsetResourceLinks',
	'typo3.surf:shell',
	array('command' => 'cd {releasePath} && rm -rf Web/_Resources/Persistent/*(N)')
);
$workflow->beforeStage('switch', array('typo3.surf:shell:unsetResourceLinks'), $application);

// Clear memcached based caches
$workflow->defineTask('typo3.surf:shell:clearMemcachedCaches',
	'typo3.surf:shell',
	array('command' => 'cd {releasePath} && FLOW_CONTEXT=Production ./flow cache:flushone TYPO3_TypoScript_Content && FLOW_CONTEXT=Production ./flow cache:flushone Flow_Mvc_Routing_Resolve && FLOW_CONTEXT=Production ./flow cache:flushone Flow_Mvc_Routing_Route')
);
$workflow->beforeStage('switch', array('typo3.surf:shell:clearMemcachedCaches'), $application);

// Clear PHP 5.5+ OpCache (required for php-fpm)
$workflow->beforeStage(
	'transfer',
	'typo3.surf:php:webopcacheresetcreatescript'
);
$workflow->afterStage(
	'switch',
	'typo3.surf:php:webopcacheresetexecute'
);

$deployment->setWorkflow($workflow);

$deployment->onInitialize(function() use ($workflow, $application) {
	$workflow->setTaskOptions('typo3.surf:generic:createDirectories', array('directories' => array('shared/Data/Web/_Resources', 'shared/Data/Session')));
	$workflow->setTaskOptions('typo3.surf:generic:createSymlinks', array(
		'symlinks' => array(
			'Web/_Resources' => '../../../shared/Data/Web/_Resources/',
			'Data/Session' => '../../../shared/Data/Session/'
		)
	));
	$workflow->setTaskOptions('typo3.surf:php:webopcacheresetexecute', array(
		'baseUrl' => 'http://acme.com'
	));
});

$node = new Node('Latest');
$node->setHostname('acme.com');
$node->setOption('username', 'acme.com');
$application->addNode($node);