films-symfony-4-2/config/packages/easy_log_handler.yaml

when@dev:
    services:
        EasyCorp\EasyLog\EasyLogHandler:
            public: false
            arguments: ['%kernel.logs_dir%/%kernel.environment%.log']

    #// FIXME: How to add this configuration automatically without messing up with the monolog configuration?
    #monolog:
    #    handlers:
    #        buffered:
    #            type:     buffer
    #            handler:  easylog
    #            channels: ['!event']
    #            level:    debug
    #        easylog:
    #            type: service
    #            id:   EasyCorp\EasyLog\EasyLogHandler