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basecamp/kamal

Kamal is a command-line interface and deployment orchestration tool for managing containerized applications. It provides a modular CLI to control the lifecycle of applications, proxies, and accessories, while handling Docker image building and pushing. The system supports diverse build strategies, flexible configuration with strict validation, and integrates with multiple external secrets managers for secure credential management.

59.2

Adequate · 1 August 2026

7.1k

lines of production code

Ruby

primary language

2

bus factor · 174 authors in all

4

measurements over time

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How it got here

2023 · Kamal v2.12.0 release and CLI refactoring

This period centered on the project's rebranding from Mrsk to Kamal and the subsequent architectural overhaul of the codebase. The team refactored the monolithic CLI into a modular, command-based structure with improved lazy loading and configuration validation. A significant portion of effort was dedicated to comprehensive test coverage, including integration tests for Docker-based deployment scenarios.

30 changes

2024–2025 · secrets management and configuration validation

This period focused on expanding secrets management by introducing an adapter system that supports multiple external providers, alongside deepening test coverage for secret interpolation. Concurrently, the codebase underwent significant refactoring to improve configuration validation and modularize the CLI and proxy handling for better maintainability.

11 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 1 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit eee0083b38 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
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