v1.7.0

This release comes with a significant refactor if the internal workings of leng - you can expect faster responses, especially on high load.

The API endpoint for past queries has been removed, as its functionaly overlapped with high-cardinality prometheus metrics. It also introduced added complexity and state to the app -- removing it simplifies the codebase which makes maintining it easier.

There are other minor improvements, including

• new prometheus metric for cache hit rates
• all round updates and security fixes

What's Changed

• api: (BREAKING) remove question cache by @cottand in #81
• add metric for tracking cache hits by @cottand in #67
• fix cache counter metric not registered by @cottand in #68
• metrics: histogram for upstream resolve duration by @cottand in #71
• document histograms, add doh upstream test by @cottand in #73
• docs: specify how to use leng for local nameserver resolution in NixOS by @cottand in #76
• docs: cover DoH privacy via an additional proxy by @cottand in #70
• ci: install nix with detsys to fix nixos tests by @cottand in #80
• test for locan DNS resolution in machine hosting leng by @cottand in #78
• security: clean path before uploading blocklists by @cottand in #79
• feat: new cache implementation by @cottand in #82
• use new cache in handler, refactor handler by @cottand in #83
• chore: update all dependencies by @cottand in #84
• chore: update gh actions workflows by @cottand in #85
• chore(deps): bump golang.org/x/crypto from 0.24.0 to 0.31.0 by @dependabot in #77
• v1.7.0 by @cottand in #86

Full Changelog: v1.6.1...v1.7.0