script for back up from gitlab and setup

docker-compose-gitlab.yml

services:
  gitlab:
    image: 'gitlab/gitlab-ce:14.6.0-ce.0'
    restart: always
    hostname: 'localhost'
    ports:
      - "443:443"
      - "80:80"
      - "22:22"
    environment:
       GITLAB_OMNIBUS_CONFIG: |
         external_url 'https://localhost'

    volumes:
               - '/srv/gitlab/config:/etc/gitlab'
               - '/srv/gitlab/logs:/var/log/gitlab'
               - '/srv/gitlab/data:/var/opt/gitlab'
               - './.cert:/etc/ssl/certs/gitlab'
               - './.backup/secret:/secret/gitlab/backups'
               - './.backup/data:/var/opt/gitlab/backups'

gitlab_backup.sh

#!/bin/bash
BACKUP_DIR_SECRET=/gitlab/.backup/secret
NOW=`date "+%Y_%m_%d_%H_%M_%S"`

BACKUP_DIR_DATA=/gitlab/.backup/data

echo "Backup started"
echo "==========================================================="

docker exec -t gitlab-gitlab-1 /bin/sh -c 'gitlab-ctl backup-etc && cd /etc/gitlab/config_backup && mv $(ls -t | head -n1) /secret/gitlab/backups/gitlab.secret.tar.gz'

ret=$?
if [ $ret -ne 0 ]; then
        echo -e "Exit code is not 0"
else
        mv ${BACKUP_DIR_SECRET}/gitlab.secret.tar.gz ${BACKUP_DIR_SECRET}/${NOW}.gitlab.secret.tar.gz
        echo "Deleting databases older than 3 days"
        find $BACKUP_DIR_SECRET/ -type f -name "*.tar.gz" -mtime +3 -delete
fi
sleep 5
docker exec -t gitlab-gitlab-1 /bin/sh -c 'gitlab-backup create STRATEGY=copy && cd /var/opt/gitlab/backups/ &&  mv $(ls -t | head -n1) /var/opt/gitlab/backups/gitlab.data.tar.gz'
ret=$?
if [ $ret -ne 0 ]; then
        echo -e "Exit code is not 0"
else
        mv ${BACKUP_DIR_DATA}/gitlab.data.tar.gz ${BACKUP_DIR_DATA}/${NOW}.gitlab.data.tar.gz
        echo "Deleting databases older than 3 days"
        find $BACKUP_DIR_DATA/ -type f -name "*.tar.gz" -mtime +3 -delete
fi
sleep 5
echo "==========================================================="