Security is mostly about saying no to defaults that were convenient in 2010. Caches are easy to add and surprisingly hard to remove. Small pull requests get real reviews, large ones get approvals.
Getting started
A boring deploy pipeline is a feature, not a lack of ambition. Most production incidents start as a small assumption nobody wrote down. Latency percentiles tell a story that averages politely hide. The best architecture diagram is the one the new hire can redraw from memory.
Every retry needs a budget, otherwise it is just a slower outage. Caches are easy to add and surprisingly hard to remove.
The short version
The rollback plan should exist before the rollout plan is approved. Feature flags are debt with an expiration date you must actually enforce. Small pull requests get real reviews, large ones get approvals. Caches are easy to add and surprisingly hard to remove.
Tests are documentation that fails loudly when it goes stale. Naming things well saved us more time than any framework migration.
Lessons
We wrote the migration twice: once to learn, once to ship. Naming things well saved us more time than any framework migration. Feature flags are debt with an expiration date you must actually enforce. If the error message does not say what to do next, it is half an error message.
Caches are easy to add and surprisingly hard to remove. The best architecture diagram is the one the new hire can redraw from memory.
Caches are easy to add and surprisingly hard to remove. Most production incidents start as a small assumption nobody wrote down.
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