#!/bin/sh
set -eu

size="${UPLOAD_MAX_MB:-100}"
size="$(printf '%s' "$size" | tr -d '[:space:]')"
if [ -z "$size" ]; then
  size="100"
fi

case "$size" in
  *[kKmMgG]) ;;
  *) size="${size}m" ;;
esac

sed "s/__CLIENT_MAX_BODY_SIZE__/${size}/g" \
  /etc/nginx/conf.d/default.conf.template \
  > /etc/nginx/conf.d/default.conf

exec nginx -g "daemon off;"