Mark Keele thekeele

Phoenix 1.4.x to 1.5.0 upgrade instructions

Phoenix 1.5 requires Elixir >= 1.7. Be sure your existing version is up to date by running elixir -v on the command line.

Install the new phx.new project generator

$ mix archive.uninstall phx_new
$ mix archive.install hex phx_new 1.5.0

Phoenix 1.4 ships with exciting new features, most notably with HTTP2 support, improved development experience with faster compile times, new error pages, and local SSL certificate generation. Additionally, our channel layer internals receiveced an overhaul, provided better structure and extensibility. We also shipped a new and improved Presence javascript API, as well as Elixir formatter integration for our routing and test DSLs.

This release requires few user-facing changes and should be a fast upgrade for those on Phoenix 1.3.x.

Install the new phx.new project generator

The mix phx.new archive can now be installed via hex, for a simpler, versioned installation experience.

To grab the new archive, simply run:

Moved to Shopify/graphql-design-tutorial

Pushing to Multiple Git Repos

If a project has to have multiple git repos (e.g. Bitbucket and Github) then it's better that they remain in sync.

Usually this would involve pushing each branch to each repo in turn, but actually Git allows pushing to multiple repos in one go.

If in doubt about what git is doing when you run these commands, just

Remove MySQL completely

Open the Terminal
Use mysqldump to backup your databases
Check for MySQL processes with: ps -ax | grep mysql
Stop and kill any MySQL processes
Analyze MySQL on HomeBrew:
```
brew remove mysql
```

#Simple MongoDB Security Tutorial

###1 - Start mongod without any "security option"

$ mongod --port 27017

	name: Elixir CI

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	env:
	MIX_ENV: test

	defmodule GCM.Pusher do
	use GenStage
	# The maximum number of requests Firebase allows at once per XMPP connection
	@max_demand 100

	defstruct [
	:producer,
	:producer_from,
	:fcm_conn_pid,
	:pending_requests,

	defmodule GCM.PushCollector do
	use GenStage

	# Client

	def push(pid, push_requests) do
	GenServer.cast(pid, {:push, push_requests})
	end

	# Server

	require "net/http"

	def start_server
	# Remove the X to enable the parameters for tuning.
	# These are the default values as of Ruby 2.2.0.
	@child = spawn(<<-EOC.split.join(" "))
	XRUBY_GC_HEAP_FREE_SLOTS=4096
	XRUBY_GC_HEAP_INIT_SLOTS=10000
	XRUBY_GC_HEAP_GROWTH_FACTOR=1.8
	XRUBY_GC_HEAP_GROWTH_MAX_SLOTS=0