My docker compose and data backup and refresh container up to date solution.

docker-compose-backup.sh

#!/bin/bash

SHDIR=$(dirname $0)
NOWDA=$(date '+%Y%m%d')
NOWDT=$(date '+%Y%m%d%H%M%S')
BUDIR="/data/backup/docker/compose/$NOWDA"

mkdir -p "$BUDIR"

find "$SHDIR" -maxdepth 3 -type d 2>/dev/null | while read COMPOSE_DIR
do
  COMPOSE_NM=$(basename "$COMPOSE_DIR")

  if [ ! -f "$COMPOSE_DIR/docker-compose.yml" ]; then continue; fi
  echo "$COMPOSE_NM : $COMPOSE_DIR"
  TARFILE="$COMPOSE_NM-$NOWDT.tar.gz"
  find "$COMPOSE_DIR" -maxdepth 1 -type f -exec basename {} \; 2>/dev/null | xargs tar -czf "$BUDIR/$TARFILE" -C "$COMPOSE_DIR"
  logger "Docker Compose Backup: Successfully backup! $BUDIR/$TARFILE"
done

docker-compose-pull-refresh.sh

#!/bin/bash
#set -ex
day=$(date '+%Y%m%d')
now=$(date '+%Y-%m-%d %H:%M:%S')
dir=$(dirname "$0")
out=$(sudo docker compose --project-directory "$dir" -f "$dir/docker-compose.yml" pull)
log="$dir/log/pull-$day.log"

mkdir -p $(dirname "$log")

if [[ $out == *"Pull complete"* ]]; then
  echo  "application-dev - $now : Updated image detected. restarting with new image..." | tee -a "$log"
  pushd .
  cd "$dir"
  sudo docker compose down
  sudo docker compose up -d
  sudo docker image prune -f
  popd
  echo "application-dev - $now : Done." | tee -a "$log"
else
  echo "application-dev - $now : Up to date." | tee -a "$log"
fi

docker-current-volumes-backup.sh

#!/bin/bash

SHDIR=$(dirname $0)
NOWDA=$(date '+%Y%m%d')
NOWDT=$(date '+%Y%m%d%H%M%S')
BUDIR="/data/backup/volumes/$NOWDA"

mkdir -p "$BUDIR"

TARFILE="$BUDIR/volumes-$NOWDT.tar.bz2"
sudo find "$SHDIR" -mindepth 1 -maxdepth 1 -type d -exec basename {} \; | sudo xargs tar -cjf "$TARFILE" -C "$SHDIR"
# sudo chown 1000:1000 "$TARFILE"
logger "Docker Volumes Backup: $TARFILE"

postgres-docker-backup-database.sh

#!/bin/bash

SHDIR=$(dirname $0)
NOWDA=$(date '+%Y%m%d')
NOWDT=$(date '+%Y%m%d%H%M%S')
BUDIR="/data/backup/postgres/dump/$NOWDA"

declare -A DB_MAP

# FORMAT: DB_MAP["DB_NAME"]="DB_USER DB_PASSWORD"
# DB USER AND PASSWORD SPLITTED BY SPACES.
DB_MAP["mydb"]="mydbuser mydbpassword"
DB_MAP["yourdb"]="yourdbuser yourdbpassword"

mkdir -p "$BUDIR"

for key in "${!DB_MAP[@]}"
do
  read -a val <<< "${DB_MAP[$key]}"
  #echo "PGPASSWORD=${val[1]} pg_dump -U ${val[0]} -F t ${key}"
  sudo docker compose --project-directory "$SHDIR" -f "$SHDIR/docker-compose.yml"\
  exec db sh -c "PGPASSWORD=${val[1]} pg_dump -h localhost -U ${val[0]} -F t ${key}" |\
  gzip > "$BUDIR/$key-$NOWDT.tar.gz"
  sudo chown ${USER}:${USER} "$BUDIR/$key-$NOWDT.tar.gz"
  logger "Successfully backup to '$BUDIR/$key-$NOWDT.tgz'."
#  if rclone copy "$BUDIR/$key-$NOWDT.tgz" googledrive:postgres-dev/$NOWDA; then
#    logger "Successfully backup to remote in 'postgres-dev/$NOWDA/$key-$NOWDT.tgz'."
#  fi
done

#BEMON=$(date -d "-1 month" '+%Y%m%d')
#logger "Checking previous month backup on 'postgres-dev/$BEMON'..."
#if rclone lsd googledrive:postgres-dev/$BEMON >/dev/null 2>&1; then
#  rclone purge --retries 0 googledrive:postgres-dev/$BEMON >/dev/null 2>&1
#  logger "Successfully purged 'postgres-dev/$BEMON'."
#fi