# backup.sh
#!/bin/bash

# 백업 디렉토리 생성
BACKUP_DIR="./backups/$(date +%Y%m%d_%H%M%S)"
mkdir -p "$BACKUP_DIR"

# PostgreSQL 백업
echo "Backing up PostgreSQL..."
docker-compose exec -T postgres pg_dump -U ${POSTGRES_USER} ${POSTGRES_DB} > "$BACKUP_DIR/postgres_backup.sql"

# Redis 백업
echo "Backing up Redis..."
docker-compose exec -T redis redis-cli -a ${REDIS_PASSWORD} SAVE
docker cp $(docker-compose ps -q redis):/data/dump.rdb "$BACKUP_DIR/redis_backup.rdb"

# TimescaleDB 백업 (full stack 환경인 경우)
if [ -f "docker-compose.full.yml" ]; then
    echo "Backing up TimescaleDB..."
    docker-compose exec -T timescaledb pg_dump -U ${TIMESCALEDB_USER} ${TIMESCALEDB_DB} > "$BACKUP_DIR/timescaledb_backup.sql"
fi

echo "Backup completed at $BACKUP_DIR"