A script I use on my server to send me discord messages on failed cron jobs

discord_alert.sh

## Discord Alert Script
# This script sends a message to a Discord channel using a webhook.
## Usage
# ./discord_alert.sh "<message>"
## Example
# ./failing_task.sh || ./discord_alert.sh "Example Task failed..."

## CONFIG
DISCORD_WEBHOOK=<discord_webhook_url>
USER_ID=<your_user_id> # USER TO NOTIFY

if [ -z "$DISCORD_WEBHOOK" ]; then
    echo "Please provide a discord webhook url"
    exit 1
fi

if [ -z "$USER_ID" ]; then
    echo "Please provide a user id to mention"
    exit 1
fi
## CONFIG END

MESSAGE=$1
BODY='{"content":"<@'"$USER_ID"'> '$MESSAGE'", "allow_mentions": true}'
echo $BODY
curl -X POST -H 'Content-type: application/json' --data "$BODY" $DISCORD_WEBHOOK