Upgrade your APIs safely with Progressive Rollouts in an ExpressJS Application
Blog post from LaunchDarkly
This tutorial demonstrates how to use LaunchDarkly's progressive rollouts in an ExpressJS application for upgrading to a new API version. It covers setting up the required environment and dependencies, creating a flag in LaunchDarkly, configuring a progressive rollout, and monitoring the progress of the rollout. The example used is an API for raccoon facts, with the goal being to switch from Version 0 to Version 1 gradually while monitoring for any potential issues. This method allows developers to control the release pace and mitigate risks associated with new features or updates.
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