Slack Webhook
메세지를 보낼 채널을 생성하고 설정 > Integrations > Apps > Add an App Incoming WebHooks 를 선택 curl -X POST \ --data-urlencode "payload={\"channel\": \"#aws-deploy\", \"username\": \"webhookbot\", \"text\": \"This is posted to #aws-deploy and comes from a bot named webhookbot.\", \"icon_emoji\": \":ghost:\"}" \ https://hooks.slack.com/services