Open control plane, bring your own runners

CI that is fast to run and cheap to own.

A lean CI/CD control plane built on Elixir. Durable workflows, live logs, and isolated runners—without a pile of infrastructure.

Start building Phoenix + PostgreSQL + isolated runners
steampressed.yml 
on: [push]
jobs:
  test:
    runs-on: linux
    steps:
      - checkout
      - run: mix test
testpassed · 42s

✓ runner assigned

✓ dependencies restored

✓ 128 tests, 0 failures

Lean by default

Four pieces. No infrastructure theater.

01

Phoenix

API, scheduling, and live updates.

02

PostgreSQL

State and durable Oban queues.

03

Object storage

Logs, caches, and artifacts.

04

Runners

Disposable, isolated build workers.