#!/bin/bash

backup_directory="/var/backups/synapse_backups"
timestamp=$(date +"%Y-%m-%d_%H:%M")

# Create backup directory if not present
if [ ! -d $backup_directory ]; then
  mkdir -p $backup_directory;
fi

# Create a database dump and compress it
nice -n 19 docker exec matrix-postgres-1 pg_dump postgres://synapse@localhost:5432/synapse | nice -n 19 xz -T1 -1 > $backup_directory/synapse-postgres-$timestamp.sql.xz

# Delete backups older than one week
find $backup_directory -mtime +7 -exec rm {} \;

exit 0