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oliverdavies.uk/source/_daily_emails/2023-06-13.md
Oliver Davies a99fa854e1 Update permalinks for old daily emails 
Move them from /archive/* to /daily/* to match the newer emails.
2024-09-02 22:41:17 +01:00

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title pubDate permalink tags
Should you feature flag everything? 2023-06-13 daily/2023/06/13/should-you-feature-flag-everything
feature-flags

Whilst it's probably impractical to feature flag every new feature or change to your application, considering it is something I do for each change.

If you find a bug after a feature has been released, if it's feature flagged, you can quickly disable it without needing to make a code change or release another version.

Instead of needing a rollback plan for a release and reverting to the previous version, it can be as simple as disabling the feature flag again to turn it off whilst the cause is investigated.

There is a maintenance overhead to adding a feature flag, and it can cause complexity by creating separate paths within the code but using feature flags gives a lot of benefits too.