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Vizzy

On the record

Authentication
The README describes local authentication with user registration by default and LDAP authentication as an option.github.com · read 9 Oct 2026
Build prerequisites
The README lists a build pipeline that runs tests on pull requests and a client testing framework that captures screenshots as prerequisites.github.com · read 9 Oct 2026
Configuration security
The setup instructions use Rails encrypted secrets and say to keep the encryption key out of the repository in the RAILS_MASTER_KEY environment variable.github.com · read 4 Oct 2026
Dependencies
The README lists Ruby 2.3.7, Rails 5.1.6.2, ImageMagick version 6, and PostgreSQL as setup requirements.github.com · read 9 Oct 2026
Deployment
The server is Docker-ready, and the README describes deployment with Kubernetes and Helm or Heroku.github.com · read 9 Oct 2026
Image comparison
It compares matching screenshots pixel by pixel and generates a third image that highlights differences in red.github.com · read 9 Oct 2026
Integrations
The plugin architecture includes configurable plugins for Slack, Jira, Bamboo, and Jenkins.github.com · read 9 Oct 2026
Intended use
The README says Vizzy relies on a build pipeline that runs tests on pull requests and a client testing framework that captures and saves screenshots.github.com · read 4 Oct 2026
Known visual test caveats
The README warns that animations and changing dates can cause inconsistent screenshots and visual diffs.github.com · read 9 Oct 2026
License
The repository identifies Vizzy as MIT licensed.github.com · read 9 Oct 2026
Merge limitation
The README says squash merging can break pre-approvals because Vizzy associates image approvals with pull request commit SHAs.github.com · read 9 Oct 2026
Notable limitation
The README warns that squash merging breaks pre-approvals because approvals are associated with pull request commit SHAs.github.com · read 4 Oct 2026
Pull request workflow
Vizzy can update a GitHub status with a visual overview showing diffs, new or missing tests, test history, comments, and image approval.github.com · read 9 Oct 2026
Purpose
Vizzy is a Ruby on Rails web server for visual automation that compares screenshots to help prevent visual regressions.github.com · read 9 Oct 2026
Review workflow
Vizzy posts a GitHub status linking to an overview of diffs, new and missing tests, test history, comments, and image approvals.github.com · read 4 Oct 2026
Screenshot comparison
It compares baseline and test screenshots pixel by pixel and creates a third image that highlights differences in red.github.com · read 4 Oct 2026
Secrets
The setup instructions use encrypted Rails secrets and say to keep the encryption key out of the repository in the RAILS_MASTER_KEY environment variable.github.com · read 9 Oct 2026
Setup requirements
The documented prerequisites are Ruby 2.3.7, Rails 5.1.6.2, ImageMagick 6, and PostgreSQL.github.com · read 4 Oct 2026

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