go-watch-middleware

Middleware for an HTTP server in GoLang to watch for unhandled exceptions. The middleware provides the following features:

• Provide an error boundary for panic
• Email alerts in production
• Slack alerts in production
• Discord alerts in production
• Log & display stack trace in development
• Code browser

Quick Start

A simple wrapper to your HTTP request multiplexer ServeMux to begin development.

http.ListenAndServe(":3000", watch.WatchMw(mux))

Options

watch uses functional options for various configurations:

Option	Default	Description
WithDevelopment(bool)	true	Set environment as development (true) or production (false).
WithDebugPath(string)	"/watch/debug"	Path used by watch to show in-browser files for debugging (code browser) in development. This option will be silently ignored during production.
WithEmail(watch.EmailDetails)	-	Issue email alerts on Failure in Production. This option will be silently ignored during development.
WithSlack(watch.SlackDetails)	-	Issue slack alerts on Failure in Production. This option will be silently ignored during development.
WithDiscord(watch.DiscordDetails)	-	Issue discord alerts on Failure in Production. This option will be silently ignored during development.

You can find sample usage for these arguments here. Kindly note that the usage example is a non-compulsive sample representation and may not directly represent your use case.

Environment?

You can toggle between dev and production using WithDevelopment option. The following are things enabled per environment.

• Production: Email alerts, Slack alerts, Discord alerts, Log
• Development: Stack Trace, Code browser (See WithDebugPath option), Log