drujensen

Cross compile Crystal

These are instructions to cross compile crystal compiler on Ubuntu Server 20-04 on an ARM processor. This was tested on a Raspberry Pi 4 - 4Gb RAM.

From an Ubuntu 20-04 instance, first compile crystal from source. You will need to install crystal to compile crystal.

You can find the instructions here:

https://crystal-lang.org/reference/installation/on_debian_and_ubuntu.html

drujensen

  # All websocket content will run these transformations
  pipeline :cable do
    plug Amber::WebSockets::Server::Handler.new
  end

  routes :cable do
    get "/cable", StaticChannel, :index
    get "/cable/chat", ChatChannel, :index  
    get "/cable/presence", PresenceChannel, :index  
  end

drujensen

CREATE DATABASE /*!32312 IF NOT EXISTS*/ `hello_world` /*!40100 DEFAULT CHARACTER SET utf8 */;

USE `hello_world`;

--
-- Table structure for table `fortune`
--

DROP TABLE IF EXISTS `fortune`;
/*!40101 SET @saved_cs_client     = @@character_set_client */;