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aws-cloudformation
cfn-lint
Python2019–2022
aws-cloudformation / cfn-lint

cfn-lint

CloudFormation Linter

3Distinct people
5Mentions
1Explicit recommenders
2.6KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

CloudFormation Linter

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

I highly recommend cfn-lint [1]. As someone who has been writing CFN for a living for the past few months, it’s a godsend. [1]:…

slau used a recommendation phrase. One indexed comment matches. This is a phrase match, not a verdict.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:56:07 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year5 dated mentions

Observed mentions: 2019-08-01 15:47:12 UTC to 2022-07-29 19:02:30 UTC.

01232019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 1 mentions; 1 submissions, 0 comments20192020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 3 mentions; 0 submissions, 3 comments20202021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2022

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC110
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC303
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC000
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC101

What Hacker News says

5 sources
> If you ever dealt with cloudformation you’d know it’s absolutely enormous PITA. Is it? For me it's working fine. What problems are you facing when writing CloudFormation templates and what better alternative to declare infrastructure do you suggest? Most problems I see are people being not aware of the possible attributes of resources or doing indentation mistakes when it's a YAML template. Most of these problems can be avoided by using cfn-lint [1] to ensure the template is valid. [1]: https://github.com/aws-cloudformation/cfn-python-lint
In Moving my serverless project to Ruby on Rails

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