node/docker-entrypoint.sh

#!/usr/bin/env bash

export IP=$( hostname -i )

if [[ ! -d "node_modules" ]]; then
  echo "node_modules does not exist."
  if [[ -f "package.json" ]]; then
    npm install
  fi
fi

if [[ -z "$@" ]]
then
  if [[ -f "package.json" ]]
  then
    PACKAGE_JSON_START=$( cat package.json | jq -r '.scripts.start // empty' )
    if [[ -z "$PACKAGE_JSON_START" ]]
    then
      echo "package.json found, but no start script, starting bash..."
      exec bash
    else
      exec $PACKAGE_JSON_START
    fi
  else
    echo "No package.json found, starting bash..."
    exec bash
  fi
else
  exec $@
fi