#!/bin/sh
set -eu
umask 077

app_dir=/srv/miem_workers
backup_dir=/home/codex/backups/postgres
backup="$backup_dir/postgres-latest.sql"
temporary="$backup.tmp.$$"

mkdir -p "$backup_dir"
trap 'rm -f -- "$temporary"' EXIT HUP INT TERM
cd "$app_dir"

docker compose exec -T postgres sh -c 'pg_dumpall -U "$POSTGRES_USER"' > "$temporary"
test -s "$temporary"
mv "$temporary" "$backup"
find /home/codex/backups/miem_workers -maxdepth 1 -type f -name 'miem_workers-*.sql' -delete 2>/dev/null || true
printf '%s\n' "Created $backup"