Tell slack when your AWS instance has restarted

tell_slack.sh

# Tell slack when your AWS instance has restarted
#
# 1. Replace the slack service hook (or entire script from `curl -X POST...`) 
# 2. Put this file in your .ebextensions folder called tell_slack.config
#
# .ebextensions/
# └── tell_slack.config
#
# On your deployed server tell_slack.sh should be AUTOMATICALLY generated in /opt/elasticbeanstalk/hooks/appdeploy/post
#
# NOTICE: This example has Slack posting into the #general channel, you probably want to change it lest you spam your workmates

commands:
  create_post_dir:
    command: "mkdir /opt/elasticbeanstalk/hooks/appdeploy/post"
    ignoreErrors: true
files:
  "/opt/elasticbeanstalk/hooks/appdeploy/post/tell_slack.sh":
    mode: "000755"
    owner: root
    group: root
    content: |
      #!/usr/bin/env bash
      /var/app/current
      curl -X POST --data-urlencode "payload={\"channel\": \"#general\", \"username\": \"AWS\", \"text\": \"\nEB post install completed\", \"icon_emoji\": \":mega:\"}" https://hooks.slack.com/services/XXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX