Add backup file

backup.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+# Crontab example: 0 2 * * * /path/to/backup_script.sh >> /path/to/backup.log 2>&1
+
+# Variables
+BACKUP_SRC="/home/ubuntu/CTFd-Plugins/data"
+BACKUP_DEST="/home/ubuntu/CTFd-Plugins/backups" # Feel free to move the backup folder to another location in order to have a real backup
+DOCKER_COMPOSE_PATH="/home/ubuntu/CTFd-Plugins/"
+BACKUP_COUNT=4  # Number of backups to keep
+TIMESTAMP=$(date +"%Y%m%d%H%M%S")
+BACKUP_NAME="backup_$TIMESTAMP.tar.gz"
+
+# Stop Docker stack
+echo "Stopping Docker stack..."
+cd $DOCKER_COMPOSE_PATH
+docker compose stop
+
+# Create backup
+echo "Creating backup of $BACKUP_SRC..."
+mkdir -p $BACKUP_DEST
+tar -czf $BACKUP_DEST/$BACKUP_NAME $BACKUP_SRC
+
+# Remove old backups
+echo "Removing old backups, keeping the latest $BACKUP_COUNT..."
+cd $BACKUP_DEST
+ls -1tr | head -n -$BACKUP_COUNT | xargs -d '\n' rm -f --
+
+cd $DOCKER_COMPOSE_PATH
+docker compose start
+
+echo "Backup completed successfully."