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Flynn
Devops
2017/sheet

General workflow

  • Start a flynn cluster (on amazon or vagrant)
  • flynn cluster add to add that cluster
  • flynn create NAME in your app
  • git push flynn master to deploy

Creating a cluster (AWS)

flynn install  # (provisions AWS EC2 stuff)
flynn key add  # (adds your pubkey to AWS)

What it does

  • This creates XXXX.flynnhub.com
  • Dashboard in dashboard.XXXX.flynnhub.com
  • Use flynn -a dashboard env get LOGIN_TOKEN to get login token
  • Apps live in APP.XXXX.flynnhub.com

Using a flynn cluster

Managed in ~/.flynnrc: {: .-setup}

flynn cluster
flynn cluster add [-g githost] [-p pin] NAME URL KEY
flynn cluster remove NAME
flynn cluster default NAME # use this current

Setting up a new app

cd ~/project
flynn create example # adds the `flynn` remote
flynn route # prints http routes
git push flynn master

Commands

Environment vars

flynn env
flynn env set FOO=bar BAZ=foobar
flynn env unset FOO

Scale

flynn ps
flynn scale web=3

Logs

flynn log
flynn log flynn-d55c7a...

Running commands

flynn run rake db:migrate

Manage routes

flynn route
flynn route add http example.com
# then make a CNAME from example.com to myapp.xxxx.flynnhub.com

More

flynn ps
flynn kill <job>

flynn meta
flynn meta set foo=baz

Also see