PHP+FPM+nginx image

In docker hub

extra extensions installed: curl, json, mcrypt, bcmath, pdo, pdo_mysql, mysqli, imap, gd
tools installed: composer
configuration of nginx and php-fpm via environment variables:
- PHP_EXEC_TIME_LIMIT
- PHPFPM_PM_MAX_CHILDREN
- PHPFPM_PM_START_SERVERS
- PHPFPM_PM_MIN_SPARE_SERVERS
- PHPFPM_PM_MAX_SPARE_SERVERS
- PHPFPM_PM_PROCESS_IDLE_TIMEOUT
- PHPFPM_PM_MAX_REQUESTS