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A safe release

A safe release

Key takeaways

Customers should never see a deployment; blue-green releases make that possible.
Test the new version privately, then switch traffic, and switch back if something breaks.
Slow work such as emails and reports belongs in background workers, not in the user’s request.
The transactional outbox stops jobs from being lost when a server crashes mid-task.
These patterns are about trust as much as technology: nothing lost, nothing broken.

My take

The safest deployment is the one you can undo in seconds. Design for rollback first and releases stop being scary.

Engineering

Source: Original by Sarang, based on the article linked below

A one-page summary of the article “Ship without downtime: three patterns every product team should know”.

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Analysis, e-commerce and product

Let’s build something worth using.

Business analyst and co-founder with e-commerce, marketing and operations experience since 2021. I co-founded three e-commerce businesses, including Earra, and I design and build products and websites end to end.

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