#!/bin/sh
set -e

PUID=${PUID:-1001}
PGID=${PGID:-1001}

# Only remap if the requested IDs differ from the defaults baked into the image
if [ "$PGID" != "1001" ]; then
  existing_group=$(getent group "$PGID" | cut -d: -f1)
  if [ -n "$existing_group" ] && [ "$existing_group" != "nodejs" ]; then
    groupmod -g "$((PGID + 50000))" "$existing_group"
  fi
  groupmod -g "$PGID" nodejs
fi
if [ "$PUID" != "1001" ]; then
  existing_user=$(getent passwd "$PUID" | cut -d: -f1)
  if [ -n "$existing_user" ] && [ "$existing_user" != "nextjs" ]; then
    usermod -u "$((PUID + 50000))" "$existing_user"
  fi
  usermod -u "$PUID" nextjs
fi

chown -R nextjs:nodejs /data

exec su-exec nextjs "$@"