Backup of Docker volumes and Portainer settings

portainer_backup.sh

#!/bin/bash

# Telegram Bot Credentials
TELEGRAM_BOT_TOKEN=""
TELEGRAM_CHAT_ID=""

# Backup API
BACKUP_API_URL="https://127.0.0.1:9443/api/backup"
API_KEY=""

# Backup Paths
BACKUP_DIR="/home/iu2frl/docker_backup"
PORTAINER_BACKUP="$BACKUP_DIR/portainer_snapshot.tar.gz"
DOCKER_VOLUMES_BACKUP="$BACKUP_DIR/docker_volumes.tar"
DOCKER_VOLUMES_COMPRESSED="$BACKUP_DIR/docker_volumes.tar.lz"

# Create folder if not exist
mkdir -p "$BACKUP_DIR"

# Notify start
curl -F text="Server Casa" "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendMessage?chat_id=$TELEGRAM_CHAT_ID"

# Request Portainer backup
curl -k -X POST "$BACKUP_API_URL" \
    -H "X-API-Key:$API_KEY" \
    -H "Content-Type: application/json; charset=utf-8" \
    -d '{ "password": "" }' --output "$PORTAINER_BACKUP"

# Send Portainer backup to Telegram
curl -F document=@"$PORTAINER_BACKUP" "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendDocument?chat_id=$TELEGRAM_CHAT_ID"

# Backup Docker volumes
tar -cf "$DOCKER_VOLUMES_BACKUP" /var/lib/docker/volumes

# Compress Docker volumes backup
sudo plzip -4 -o "$DOCKER_VOLUMES_COMPRESSED" "$DOCKER_VOLUMES_BACKUP"

# Send compressed Docker volumes backup to Telegram
curl -F document=@"$DOCKER_VOLUMES_COMPRESSED" "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendDocument?chat_id=$TELEGRAM_CHAT_ID"

# Cleanup
rm "$DOCKER_VOLUMES_BACKUP"