timetracking/httpdocs/config/packages/monolog.yaml

# config/packages/monolog.yaml

when@dev:
  monolog:
    handlers:
      main:
        type:  stream
        path:  '%kernel.logs_dir%/%kernel.environment%.log'
        level: warning
        channels: ['!event']

when@prod:
  monolog:
    handlers:
      main:
        type:        rotating_file
        path:        '%kernel.logs_dir%/%kernel.environment%.log'
        level:       warning
        max_files:   10
        channels:    ['!event']