A personal account of deploying a Rails blog using Kamal without Docker Desktop on macOS. The author walks through replacing Docker Desktop with Colima and the docker CLI, using Kamal's local registry feature (avoiding the need for an external Docker registry), and shares an optimized multi-stage Dockerfile for a Rails/SQLite app running on a free Oracle VM. Key practical notes include SSH tunnelling speed limitations with local registries and Colima setup steps for Apple Silicon.
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