kamal

# Kamal Use Kamal to deploy Rails applications with repeatable, safe workflows. ## Install and Initialize - Install: `gem install kamal` - Initialize in app: `kamal init` - Creates `config/deploy.yml` and `.kamal/secrets` ## Deploy Workflow 1. Run `kamal setup` for first deploys or new servers. 2. Use `kamal deploy` for routine releases. 3. Use `kamal rollback [VERSION]` for fast recovery. ## Common Commands - Help: `kamal --help` - Show merged config: `kamal config` - Deploy: `kamal deploy` - Redeploy without bootstrap: `kamal redeploy` - Rollback: `kamal rollback [VERSION]` - Remove app/proxy/accessories: `kamal remove` - Cleanup: `kamal prune` - Manage app: `kamal app` (see `kamal app --help`) - Manage accessories: `kamal accessory` (see `kamal accessory --help`) - Manage proxy: `kamal proxy` - Server bootstrap only: `kamal server` ## Secrets - Keep secrets in `.kamal/secrets` or environment variables. - Example entries in `.kamal/secrets`: ``` DATABASE_URL=postgres://... RAILS_MASTER_KEY=... ``` Note: `kamal config` prints merged config including secrets.