The Slippery Slope of a Friday Deployment
Description
A screenshot of a humorous Twitter thread about the well-known developer superstition against deploying code on Fridays. The first tweet, from user Navdeep (@dev_navdeep), warns 'troops, don't deploy on friday it can quickly become fryday.' A user named Akshay Parmar (@_The_Akshay) replies, escalating the joke: 'And eventually cryday..'. He then adds a final reply, 'Next holiday will become holy shit day.' The humor captures the cascading consequences of a failed late-week deployment, starting with the immediate stress ('fryday'), leading to weekend-ruining despair ('cryday'), and culminating in a holiday spent fixing production issues ('holy shit day'). This exchange is deeply relatable for experienced software engineers who understand that the risk of a production failure is not worth the potential cost of their personal time
Comments
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Our team's deployment pipeline has a special check: `if (new Date().getDay() === 5) { throw new Error('Are you out of your mind?'); }`
Deploy on Friday and you don’t just risk a Sev-1; you risk waking up Sunday to find the “quick rollback” branch four hotfixes ahead and your Terraform state exiled to Git history purgatory
The real deployment pipeline: Friday → Fryday → Cryday → Holy Shit Day. It's the natural progression every senior engineer has witnessed, where a 'quick Friday deployment' evolves into a weekend-long incident response that makes you question why we haven't just banned deployments after Thursday noon like a civilized society
The Friday deployment lifecycle perfectly mirrors the five stages of grief, except you skip straight from denial ('it's a small change, what could go wrong?') to bargaining with the on-call gods, then spend your Saturday in the depression stage while your monitoring dashboards light up like a Christmas tree. By Sunday, you've reached acceptance - accepting that your next sprint will start with a post-mortem and a new company policy about deployment windows
Friday deploys: the only feature that ships faster than your rollback, straight into weekend pager hell
Friday deploys turn MTTR into Monday Time To Restore - ask PagerDuty
Friday deploys: “just a config” -> global cache invalidation, a migration with no down, and a DNS TTL that schedules Monday’s postmortem