logging

logging:
  level: info
  format: text
  #disable_timestamp: true
  #timestamp_format: "2006-01-02T15:04:05.000Z07:00"

logging.level

Default: info Reloadable

Controls the verbosity of logs. The options are panic, fatal, error, warning, info, or debug.

logging.format

Default: text Reloadable

Controls the logging format. The options are json or text

logging.disable_timestamp

Default: False Reloadable

Disables timestamp logging. Useful when output is redirected to logging system that already adds timestamps.

logging.timestamp_format

Reloadable

timestamp_format is specified in Go time format, see: https://golang.org/pkg/time/#pkg-constants.

The default when format: json is set is an RFC3339 timestamp, e.g. "2006-01-02T15:04:05Z07:00".

When format: text is set:

• If a TTY is attached, the timestamp output is seconds since beginning of execution.
• Otherwise it is "2006-01-02T15:04:05Z07:00" (RFC3339).

As an example, to log as RFC3339 with millisecond precision:

timestamp_format: '2006-01-02T15:04:05.000Z07:00'