Slack's notify about deployment

notify_about_deployement.sh

#!/bin/bash

ENVIRONMENT=${ENVIRONMENT:-'STAGING'}
LINK=${LINK:-'https://your-link.local'}
JIRA=${JIRA:-'https://jira.local'}
SLACK_URL=${SLACK_URL:='https://hooks.slack.com/services/your-slack-url'}
USERNAME='Alf'
USER_ICON=':alf:'
CHANNEL=${CHANNEL:-'#testit'}


current_branch() {
    git rev-parse --abbrev-ref HEAD
}

branches=`current_branch`

read -r -d '' message_template << EOM
{
  "channel": "${CHANNEL}",
  "username": "${USERNAME}",
  "icon_emoji": "${USER_ICON}",
  "attachments": [
    {
      "pretext": ":siren_green: Yeah!, deployment to *${ENVIRONMENT}* was done :siren_green:",
      "fields": [
        {
          "title": ":rocket: Project",
          "value": "${ENVIRONMENT}",
          "short": true
        },
        {
          "title": ":link: Link",
          "value": "${LINK}",
          "short": true
        },
        {
          "title": ":house_buildings: Environment",
          "value": "${ENVIRONMENT}",
          "short": true
        },
        {
          "title": ":scrum-master:  Current Sprint",
          "value": "<${JIRA}|JIRA P7S1>",
          "short": true
        }
      ],
      "color": "#7CD197"
    },
    {
      "title": ":palm_tree: deployed branch:",
      "text": "\`\`\`${branches}\`\`\`",
      "color": "#1960a4"
    }
  ]
}
EOM

curl  -X POST --data-urlencode "payload=${message_template}" ${SLACK_URL}