Initialize log module.

PostMessageToSlack post a message to Slack Channel.

PostShutdownMessageToSlack post the shutdown message to slack channel.

PostStartedMessageToSlack post the started message to slack channel.

ErrorDashboard is an instance of DashboardWriter.

Instance is an instance of log.

DashboardWriter counts each call to Write method.

SlackMessageAttachment attach message struct.

SlackMessageAttachmentFields attachment field struct.

SlackWriter writes messages to Slack user or channel.