#!/bin/bash
set -e

if [ ! -f Gemfile ]; then
  echo "NOTE: hmm, I don't see a Gemfile so I don't think there's a jekyll site here"
  echo "Either you didn't mount a volume, or you mounted it incorrectly."
  echo "Be sure you're in your jekyll site root and use something like this to launch"
  echo ""
  echo "docker run -p 4000:4000 -v \$(pwd):/site bretfisher/jekyll-serve"
  echo ""
  echo "NOTE: To create a new site, you can use the sister image bretfisher/jekyll like:"
  echo ""
  echo "docker run -v \$(pwd):/site bretfisher/jekyll new ."
  exit 1
fi

bundle install --retry 5 --jobs 20

exec "$@"