We explain how we work at Mergify, design, and develop our products.
How We Do It
On May 16th, 2025, Mergify experienced a significant service disruption from 06:00 UTC to 09:51 UTC. This post-mortem outlines the incident's context, our response, resolution, and the steps we're taking to prevent future occurrences. Context Mergify's infrastructure is hosted on Google Cloud
How We Do It
At Mergify, we’re growing. That means we’re hiring. And hiring means rejecting candidates—sometimes, a lot of them. It’s one of our hiring process's hardest and most uncomfortable parts. But it’s also one of the most important. Here’s how we do it, why
How We Do It
As we step into 2025, it’s time to reflect on an eventful and transformative 2024 at Mergify. It was a year filled with challenges, growth, and exciting new opportunities to better serve developers worldwide. Here's a look back at what we achieved, what we learned, and what&
How We Do It
In our previous post, we shared how Mergify transitioned from traditional Agile practices to a lightweight, culture-driven workflow that aligned with our values. While this approach served us well in the early days, we eventually realized that to scale effectively and maintain a sense of accomplishment, we needed to introduce
How We Do It
This article talks about the versioning of databases in a Python app with SQLAlchemy and Alembic and shows why and how Alembic history should be truncated to better maintain the history.
How We Do It
Learn how to test SQL migration scripts in your CI/CD pipeline with PostgreSQL, SQLAlchemy, and Alembic. This guide explains creating and comparing database schemas, handling migration script evolution, and overcoming challenges like column order differences.
How We Do It
In this blog post, we are diving into the process we created to generate our changelog, hence announcing our new features each time a pull request is merged.
How We Do It
Developers face a unique challenge in the era of stringent data privacy laws like GDPR and SOC2 compliance. This article delves into how developers can access necessary data without compromising user privacy, specifically focusing on PostgreSQL databases.
How We Do It
Recently, our team experienced a breakthrough in database performance debugging, all thanks to Datadog's automatic explain queries feature. This powerful tool has saved us countless hours and significantly streamlined our debugging process.
How We Do It
In 2018, when Mergify first saw the light of day, the world of software development looked rather different. It was a time when Mehdi, Mergify's co-founder, and CTO, and I aimed to alleviate the constant pain of rebasing pull requests for our team of just four developers. With
How We Do It
With growth comes a responsibility to ensure our operations' safety. This responsibility prompted us to delve deeper and rethink traditional security approaches, especially concerning cloud integration.
How We Do It
In the dynamic landscape of software development, unforeseen challenges can occasionally arise, bringing with them valuable lessons and reinforcing the importance of collaboration. We'd like to provide an in-depth account of a recent incident that put these principles to the test. The Genesis of the Incident On July