DB_USERNAME=''
DB_NAME=''
DB_PASSWORD=''
DB_HOST=''
TIMESTAMP=`date +%Y%m%d-%H%M`
BACKUP_DIR=''
FILENAME=$TIMESTAMP.sql.gz
PGDUMP=pg_dump
   PGPASSWORD="$DB_PASSWORD" pg_dump -h $DB_HOST -U $DB_USERNAME $DB_NAME | gzip > $BACKUP_DIR/$FILENAME \
&& find $BACKUP_DIR -name '*.gz' -mtime +14 -print0 | xargs -0 rm -f