Elixir Club Ternopil - March 25, 2017 Friendly Restoration "Mamont"

1. Deploying Elixir/Phoenix
w/ Distillery
Elixir Club Ternopil, 2017
Yaroslav Martsynyuk @ Wise Engineering

2. What is Distillery and What it Does?
- Elixir Release Manager
- Builds Release Tarball
- Describes the Set of Applications It Needs to Run
- Builds Upgrades

3. 1 defp deps do
2 [{:distillery, "~> 1.2.2"}]
3 end
Add Distillery As Dependency

4. $> mix release.init
1 use Mix.Releases.Config,
2 default_release: :foo,
3 default_environment: Mix.env,
4
5 environment :prod do
6 set include_erts: true
7 set cookie: :prod
8 end
9
10 release :foo do
11 set version: current_version(:foo)
12 end

5. $> MIX_ENV=prod mix deps.get --only prod
$> MIX_ENV=prod mix compile
$> MIX_ENV=prod mix release [--upgrade] --env=prod
VERSION - 1 => VERSION => VERSION + 1
Create Release/Upgrade

6. 1 #! /usr/bin/env
2
3 if["$(ssh user@host /tmp/bin/demo ping)" = "pong" ]; then
4 bash ./upgrade.sh
5 else
6 cd ~/demo
7 export V=$(grep 'version' mix.exs | cut -d'"' -f2)
8 mix release.init
9 MIX_ENV=prod mix deps.get --only prod
10 MIX_ENV=prod mix compile
11 MIX_ENV=prod mix release --env=prod
12 scp ./releases/${V}/demo.tar.gz user@host:/tmp
13 ssh user@host tar -xf demo.tar.gz -C /tmp
14 ssh user@host /tmp/bin/demo start
15 fi

7. 1 #! /usr/bin/env
2
3 cd ~/demo
4 export V=$(grep 'version' mix.exs | cut -d'"' -f2)
5 MIX_ENV=prod mix deps.get --only prod
6 MIX_ENV=prod compile
7 MIX_ENV=prod mix release --env=prod --upgrade
8 scp ./releases/${V}/demo.tar.gz user@host:/tmp/releases/${V}
9 ssh user@host /tmp/bin/demo upgrade ${VERSION}

8. 45.55.215.61 CI Node
45.55.191.102 Production Node
http://45.55.191.102:4000
Demo Time

9. . . .

10. ?