Ways to optimize a Sylius project in dev mode

If you feel that your Sylius dev configuration is slow, try this:

1) use nginx (or docker with nginx) instead of php bin/console server:run
2) be sure XDebug is disabled
3) add these lines to your php.ini:

opcache.memory_consumption=256
opcache.max_accelerated_files=20000
realpath_cache_size=4096K

How to fix "504 gateway timeout" [php] [xdebug]

At the long PHP debug browser responds with "504 gateway timeout". If you want to increase this debugging period,

1) set in /etc/nginx/nginx.conf:
http {
    ...
    fastcgi_read_timeout 3600;
    ...
}
2) set this line in php.ini:
request_terminate_timeout = 3600s

3) restart nginx or restart containers.

It also possible to do in your Docker configuration.

How to solve PDOException “could not find driver” in Ubuntu

sudo apt-get install php5-mysql

It can answer that will be conflicts with some packages, and need to remove it, but suddenly that conflict was solved by it own. After "php5-fpm -m" command you should get pdo_mysql.