Elixir Releases 

No content

The Way /app/*.rb /lib/*.rb Gemfile $ install requirements $ export RAILS_ENV=production $ bundle install $ bundle exec rails server 

gjaldon/heroku-buildpack-phoenix-static HashNuke/heroku-buildpack-elixir 

? 

Build Run $ mix deps.get $ mix release $ _build/app start app.tar.gz: - Binaries - Erlang runtime (optional) - Sources (optional) 

Watch Out 

Build Run $ mix deps.get $ mix release —env=prod $ _build/app start app.tar.gz 

$ docker run image_that_is_like_runtime build.sh 

$ _build/app start ** (Postgrex.Error) ERROR 42P01 (undefined_table): relation "users" does not exist 

$ mix ecto.migrate -bash: mix: command not found 

$ _build/app migrate $ _build/app start https://github.com/bitwalker/distillery/blob/master/docs/Running%20Migrations.md 

Configuration staging demo testing sandbox production 

use Mix.Config config :app, App.Repo, [ database: "app", username: "user", password: "supersecret", hostname: “db-server”, port: 5432, ] {'Elixir.QualityControl.Repo', [{database,<<"app">>}, {username,<<“user">>}, {password,<<"supersecret">>}, {hostname,<<“db-server”>>}, {loggers,[]}, {port,5433}]}, config.exs sys.config 

use Mix.Config config :app, App.Repo, [ database: "app", username: “user", password: System.get_env(“PG_PASS"), hostname: “db-server”, port: 5432, ] config.exs sys.config {'Elixir.QualityControl.Repo', [{database,<<"app">>}, {username,<<“user">>}, {password,nil}, {hostname,<<“db-server”>>}, {loggers,[]}, {port,5433}]}, 

Replace Variables on Build System {:system, ENV, default} Check In Credentials REPLACE_OS_VARS=true Build Config Layer 

Why 

Because it's cool? 

Size 300 MB 50 MB 

Resources 

Code Reload 

Comfortable 

Start Early Think About Config Use Distillery