Do not push to production on a Friday
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Yep, just don’t do it.
You’d think with over 15 years in the industry, I’d have learned this by now, but nope! 1.5 months into my new role, I’d just introduced a production issue on a release that’s supposed to prevent further issues!
Rookie mistake, but the long story short is that I had inherited a large monolith and I thought that the single entrypoint I had touched so far was the only entrypoint to the app!
And so after introducing a change that affects entrypoints (think: middleware setups), I thought that was it. Turns out, the other entrypoints started failing. Thank god for alerts, logs, and DLQ’s!