v0.5.0 Release

Highlights

• Private substituter authentication: Private caches can now be accessed via HTTP Basic authentication, with a dedicated credentials file and credentialFile option in NixOS/nix-darwin/Home Manager modules for declarative setup
• Auxiliary endpoints and home page: Added a /health endpoint for health checking, an optional priority query parameter to /nix-cache-info endpoint, and a simple landing page at the root path
• Internal refactoring: Ongoing refactoring of the internal architecture and Nix flake structure to improve long-term maintainability
• System testing: Added automated system tests running in CI across Linux and Darwin platforms

New Features

• Added support for private substituters via HTTP Basic authentication, with a dedicated credentials file
• Added credentialFile option to NixOS, nix-darwin, and Home Manager modules for declarative credential configuration
• Added optional priority parameter per substituter, reflected in the /nix-cache-info response
• Improved substituter probing and health recovery strategy
• Added /health endpoint
• Added a landing home page

Bug Fixes

• Fixed credential file having no read permission when running as a systemd dynamic user service

Documentation

• Clarified licensing scope for Rust source code, Nix code, and documentation

What's Changed

• Refactor by simplify component naming and changing module structure by @StarryReverie in #26
• Refactor by improving Substituter aggregate cohesion by @StarryReverie in #27
• Add a dedicated configuraion file for development environment by @StarryReverie in #28
• Improve the strategy of substituter probing and health recovery by @StarryReverie in #29
• Add support for private substituter based on HTTP Basic authentication by @StarryReverie in #30
• Add credentialFile option to NixOS/nix-darwin/Home Manager modules by @StarryReverie in #31
• Update flake inputs by @StarryReverie in #32
• Add system test for NAR info querying by @StarryReverie in #33
• Register system test executables in Nix flake and add system test workflow by @StarryReverie in #34
• Update rust toolchain to 1.95.0 by @StarryReverie in #35
• Support cooperative shutdown mechanism in internal actor runtime by @StarryReverie in #36
• Add optional priority parameter in /nix-cache-info endpoint by @StarryReverie in #37
• Add /health endpoint by @StarryReverie in #38
• Add home page by @StarryReverie in #39
• Refactor Nix Flake by using flake-parts partition by @StarryReverie in #40
• Fix no read permission for credential file when running as systemd dynamic user service by @StarryReverie in #41
• Use magic-nix-cache-action in workflows by @StarryReverie in #42
• Clarify licenses and add documentation sections by @StarryReverie in #43

Full Changelog: v0.4.2...v0.5.0