Rack::ErrorToSlack

This is a rack middleware that post error to slack.
Strongly recommended to use only Development environment.
EXAMPLE:

Inspired by hitode909/Plack-Middleware-PostErrorToSlack

Installation

Add this line to your application's Gemfile:

gem 'rack-error_to_slack'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install rack-error_to_slack

Usage

for Rails 4.x

Step1

config/environments/development.rb

config.middleware.insert_before ActionDispatch::RemoteIp, Rack::ErrorToSlack

Step2

config/initializers/error_to_slack.rb

Rack::ErrorToSlack.configure do |config|
  config.webhook_url = 'https://hooks.slack.com/services/your_webhook_url'
  
  ### follows are option ###
  # emoji icon of slack post.  DEFAULT VALUE: ':innocent:'
  config.emoji = ':ghost:'  
  
  # username of slack post.    DEFAULT VALUE: 'ErrorToSlack'
  config.slackname = 'ErrorSharing'
end

⚠️ WARNING ⚠️

This gem is recommended to use only Development environment.
Your application cannot respond to users until rack-error_to_message succeeds to post error message to Slack.

Following settings are recommended.

Gemfile

gem 'rack-error_to_slack', group: :development

config/initializers/error_to_slack.rb

if Rails.env == "development"
  Rack::ErrorToSlack.configure do |config|
    config.webhook_url = 'https://hooks.slack.com/services/your_webhook_url'
  end
end

LICENSE

MIT