kamal-coder

Kamal deploys Rails applications containerized with Docker to bare metal or virtual machines using SSH and Traefik as a reverse proxy. Run kamal server bootstrap to provision your servers, then kamal setup to configure Docker, Traefik, and your app containers for zero-downtime deployments.

Kamal requires bare metal or virtual machines with Docker support, SSH access, open ports 80, 443, and 22, and provisioning via Ansible or cloud-init. Traefik handles reverse proxying and TLS termination across single or multi-host environments.

Kamal manages secrets securely and lets you configure accessories like databases and Redis through deploy.yml. The Skill covers secrets management, access control, and multi-server accessory setups integrated with health checks and Traefik routing.

Yes, Kamal supports rollouts and rollbacks via CLI commands. The Skill covers debugging commands and rollback procedures to quickly revert to a previous Rails app version after deployment.

Kamal enables zero-downtime updates through Docker container orchestration and Traefik load balancing. The Skill guides configuring deploy.yml and server setup to ensure continuous service during Rails app rollouts.

Kamal supports multi-host environments through deploy.yml configuration and Traefik load balancing. The Skill covers provisioning multiple servers, managing accessories across hosts, and configuring health checks for distributed Rails deployments.