#!/bin/sh
set -eu

: "${BACKUP_FILE:?Set BACKUP_FILE to a PostgreSQL custom-format dump}"
: "${POSTGRES_DB:?Set POSTGRES_DB}"
: "${POSTGRES_USER:?Set POSTGRES_USER}"
: "${POSTGRES_PASSWORD:?Set POSTGRES_PASSWORD}"

if [ ! -f "$BACKUP_FILE" ]; then
  printf '%s\n' "Backup file not found: $BACKUP_FILE" >&2
  exit 1
fi

docker compose -f compose.production.yaml exec -T \
  -e PGPASSWORD="$POSTGRES_PASSWORD" postgres \
  pg_restore --clean --if-exists --no-owner -U "$POSTGRES_USER" -d "$POSTGRES_DB" < "$BACKUP_FILE"