curl -X POST -H 'Content-type: application/json' --data '{"text":"Deployed ${params.BRANCH} in ${params.WEB}. This may take a few more seconds."}' $SLACK
curl -X POST -H 'Content-type: application/json' --data '{"text":"Deployed ${params.BRANCH} in ${params.WEB}. This may take a few more seconds."}' $SLACK