scheduled swagger diff slack notification
1- create a hook for your slack channel notification EX: https://hooks.slack.com/services/SOME-KEYS/FOR-YOUR/SLACK-CHANNEL
2- install ruby sudo apt-get install ruby-full
3- install swagger-diff tool (https://github.com/civisanalytics/swagger-diff) sudo gem install swagger-diff
4- create a folder "api-diff" mkdir api-diff
5- put "api-diff.sh" file into the folder. Edit your SLACK_URL variable in "api-diff.sh" script.
6- set "api-diff.sh" execute permission. chmod +x api-diff.sh
7- create your sample "environmet.list" file as seen in repository
8- schedule your crontab to run every 5 min */5 * * * * /home/olgac/api-diff/api-diff.sh &
9- ENJOY IT :)