June 04, 2024

Implementing Zero Downtime Deployments with Fly.io

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Implementing Zero Downtime Deployments with Fly.io

Source: optimum.ba

In this article, Almir Sarajčić discusses deployment strategies on Fly.io. He reviews various strategies like immediate, rolling, bluegreen, and canary deployments, highlighting their complexity and cost. The focus is on setting up the bluegreen deployment strategy, which balances benefits, costs, and ease of setup. He walks through configuring health checks and adjusting the fly.toml file for bluegreen strategy. The article also touches on the limitations with volumes and offers recommendations for handling client-side state and Ecto migrations during deployments.

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