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The Dhall Configuration Language

dhall-lang.org Software & code Software projects Software engineering Class of 2022-07 Hall of Fame
Screenshot of dhall-lang.org captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 5 calendar years, with breakout response in 2 of them.

submissions
8
submitters
7
observed span
2019–2025
peak thread · 188 comments
232 pts
latest 20+ return · 2022-07-14
232 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

I work on a deployment tooling team. In 2019/2020 we did a deep dive into Dhall vs. Jsonnet^1 for standardizing config and kubernetes templating across my company (Zendesk). We ended up going with Jsonnet (although some Dhall evangelists in the company have kept the dream alive!), which I think is a more approachable language for many, but Dhall has a lot of cool features and good things going for it. Jsonnet is far from perfect, but it gets the job…

Dhall is an awesome tool to have in your DevOps tool belt - we're heavy dhall users at meshcloud [0] and couldn't be happier about it. We picked it after evaluating a long list of contenders (yaml madness with anchors, jsonnet, ksonnet, j2/jinja, a hacked ejs compiler [1] and some more I forgot). It's so good we're looking into how we can give back/donate to the project. Dhall elegantly solves a major challenge: configuration management at scale. We build a…

Past discussion: https://news.ycombinator.com/item?id=32102203

mooreds·17-point thread·

Dhall looks lovely. Just enough programmability to avoid repetition, but not Turing complete so it can't evolve all the way to reading mail. Or at least, that's the promise - it's on my list of "solutions to try as soon as the problems catch up to the corresponding level".

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
452

reference only — not used in Hall rules or ranking

Total comments
376

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2019-02-08Dhall: A Non-Repetitive Alternative to YAMLff_30
2019-07-04Dhall: A Non-Repetitive Alternative to YAMLFirst breakoutff_193177
2021-05-04The Dhall configuration language: maintainable configuration filespabs311
2022-03-08Dhall: a non-Turing-complete typed declarative configuration languagefouc10
2022-07-14The Dhall Configuration LanguageHall induction · Best thread · Latest 20+ point returnbjourne232188
2024-09-05The Dhall Configuration Languagemooreds178
2025-03-07The Dhall Configuration Languageanotherhue22
2025-05-10Dhall: Programmable Config Language a.k.a. JSON + Functions + Types + Importsstefankuehnel30