Mastodon Kubernetes back-up script

backup.sh

#!/bin/bash
PGPASSWORD="YOURPGPASSWORDHERE"
MASTODON_SYSTEM_DIR=/opt/mastodon/public/system
BACKUPS_DIR=/mnt/sda1/backups
POSTGRES_DUMP_FILENAME=pg_dump_mastodon_backup.sqlc
POSTGRES_DUMP_PATH=/bitnami/postgresql/${POSTGRES_DUMP_FILENAME}

microk8s kubectl exec -it -n mastodon mastodon-postgresql-0 -- env PGPASSWORD="${PGPASSWORD}" pg_dump -U mastodon -d mastodon_production --format=c --file=${POSTGRES_DUM>
microk8s kubectl cp -n mastodon mastodon-postgresql-0:${POSTGRES_DUMP_PATH} ${BACKUPS_DIR}/${POSTGRES_DUMP_FILENAME}   
PODNAME=$(microk8s kubectl get pod -n mastodon -l app.kubernetes.io/component=web -o name)
PODARRAY=(${PODNAME//\// })
PODNAME=${PODARRAY[1]}
microk8s kubectl exec -n mastodon $PODNAME -- tar zcf - ${MASTODON_SYSTEM_DIR}/accounts > ${BACKUPS_DIR}/system_accounts.tar.gz
microk8s kubectl exec -n mastodon $PODNAME -- tar zcf - ${MASTODON_SYSTEM_DIR}/media_attachments > ${BACKUPS_DIR}/system_media_attachments.tar.gz
microk8s kubectl exec -n mastodon $PODNAME -- tar zcf - ${MASTODON_SYSTEM_DIR}/site_uploads > ${BACKUPS_DIR}/system_site_uploads.tar.gz
microk8s kubectl exec -n mastodon $PODNAME -- env > ${BACKUPS_DIR}/mastodon_environment.txt