Raven config

config_prod.yml

monolog:
    handlers:
        main:
            type:         fingers_crossed
            action_level: critical
            handler:      grouped
        grouped:
            type:    group
            members: [nested, buffered]
        buffered:
            type:    buffer
            handler: raven
        raven:
            type: service
            id: raven_handler
        nested:
            type:  stream
            path:  %kernel.logs_dir%/%kernel.environment%.log
            level: debug