update backup process

scripts/backup.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+set -e
+
+# Configuration from environment variables
+MYSQL_HOST=${MYSQL_HOST:-ac-mysql}
+MYSQL_PORT=${MYSQL_PORT:-3306}
+MYSQL_USER=${MYSQL_USER:-root}
+MYSQL_PASSWORD=${MYSQL_PASSWORD:-password}
+BACKUP_DIR=${BACKUP_DIR:-/backups}
+RETENTION_DAYS=${BACKUP_RETENTION_DAYS:-7}
+DATE_FORMAT="%Y%m%d_%H%M%S"
+
+# Database names
+DATABASES=("acore_auth" "acore_world" "acore_characters")
+
+# Create backup directory
+mkdir -p $BACKUP_DIR
+
+# Generate timestamp
+TIMESTAMP=$(date +$DATE_FORMAT)
+BACKUP_SUBDIR="$BACKUP_DIR/$TIMESTAMP"
+mkdir -p $BACKUP_SUBDIR
+
+echo "[$TIMESTAMP] Starting AzerothCore database backup..."
+
+# Backup each database
+for db in "${DATABASES[@]}"; do
+    echo "[$TIMESTAMP] Backing up database: $db"
+    mysqldump -h$MYSQL_HOST -P$MYSQL_PORT -u$MYSQL_USER -p$MYSQL_PASSWORD \
+        --single-transaction --routines --triggers --events \
+        --hex-blob --quick --lock-tables=false \
+        --add-drop-database --databases $db \
+        | gzip > $BACKUP_SUBDIR/${db}.sql.gz
+
+    if [ $? -eq 0 ]; then
+        SIZE=$(du -h $BACKUP_SUBDIR/${db}.sql.gz | cut -f1)
+        echo "[$TIMESTAMP] ✅ Successfully backed up $db ($SIZE)"
+    else
+        echo "[$TIMESTAMP] ❌ Failed to backup $db"
+        exit 1
+    fi
+done
+
+# Create backup manifest
+cat > $BACKUP_SUBDIR/manifest.json <<EOF
+{
+    "timestamp": "$TIMESTAMP",
+    "databases": ["${DATABASES[@]}"],
+    "backup_size": "$(du -sh $BACKUP_SUBDIR | cut -f1)",
+    "retention_days": $RETENTION_DAYS,
+    "mysql_version": "$(mysql -h$MYSQL_HOST -P$MYSQL_PORT -u$MYSQL_USER -p$MYSQL_PASSWORD -e 'SELECT VERSION();' -s -N)"
+}
+EOF
+
+# Clean up old backups based on retention policy
+echo "[$TIMESTAMP] Cleaning up backups older than $RETENTION_DAYS days..."
+find $BACKUP_DIR -type d -name "[0-9]*" -mtime +$RETENTION_DAYS -exec rm -rf {} + 2>/dev/null || true
+
+# Log backup completion
+echo "[$TIMESTAMP] ✅ Backup completed successfully"
+echo "[$TIMESTAMP] Backup location: $BACKUP_SUBDIR"
+echo "[$TIMESTAMP] Current backups:"
+ls -la $BACKUP_DIR/