Backup script for Docker release of Akkoma (akkoma.social)

akkoma_backup.sh

#!/bin/bash

date_today=$(date +"%d_%m_%Y")
akkoma_workdir="/home/$USER/akkoma"
akkoma_db_img_name="akkoma-db"
backup_temp_dir="/home/$USER/backup_tmp"
backup_zip_dir="/home/$USER/backups"

# check working directory
echo "Verifying working directory..."
if [[ $PWD != $akkoma_workdir ]]; then
        cd $akkoma_workdir
fi

echo "Stopping akkoma..."
# stop akkoma service
docker compose stop akkoma

echo "Creating a temp directory..."
# create a temp backup directory
mkdir -p $backup_temp_dir

echo "Getting a database docker container ID..."
# get id of the db container
akkoma_db_id=$(docker ps -aqf "ancestor=$akkoma_db_img_name")

echo "Comitting a database dump...(it may take a while)"
# create a backup dump of the db
docker exec $akkoma_db_id pg_dump -d akkoma --format=custom > "$backup_temp_dir/backup.pgdump"

echo "Copying configuration data..."
# copy config data
cp -r "$akkoma_workdir/config" "$backup_temp_dir/config"

echo "Copying file uploads..."
# copy uploads data
cp -r "$akkoma_workdir/uploads" "$backup_temp_dir/uploads"

echo "Starting akkoma..."
# (re)start akkoma service
docker compose start akkoma

echo "Creating zip directory..."
# create a backup directory
mkdir -p $backup_zip_dir

echo "Compressing backup data..."
# zip up the backup data
zip_filename="$backup_zip_dir/akkoma_backup-$date_today.7z"
7z a $zip_filename "$backup_temp_dir/*"

echo "Cleanup..."
# cleanup / del the temp dir
rm -r $backup_temp_dir

echo -e "Back-up ready! $zip_filename"