monolog: channels: - deprecation - security - audit when@dev: monolog: handlers: main: type: stream path: "%kernel.logs_dir%/%kernel.environment%.log" level: debug channels: ["!event"] formatter: monolog.formatter.json console: type: console process_psr_3_messages: false channels: ["!event", "!doctrine", "!console"] when@test: monolog: handlers: main: type: fingers_crossed action_level: error handler: nested excluded_http_codes: [404, 405] channels: ["!event"] nested: type: stream path: "%kernel.logs_dir%/%kernel.environment%.log" level: debug when@prod: monolog: handlers: main: type: fingers_crossed action_level: error handler: nested excluded_http_codes: [404, 405] buffer_size: 50 nested: type: stream path: php://stderr level: debug formatter: monolog.formatter.json console: type: console process_psr_3_messages: false channels: ["!event", "!doctrine"] deprecation: type: stream channels: [deprecation] path: php://stderr formatter: monolog.formatter.json audit: type: stream channels: [audit] path: "%kernel.logs_dir%/audit.log" level: info formatter: monolog.formatter.json