101 releases in 10 weeks, without breaking what earns
Speed and safety are usually traded off. On our current engagement we shipped 101 reviewed releases in 10 weeks on a site that earns every day. How.
“Move fast” and “do not break the site that pays the bills” sound like opposites. Ten weeks into our current engagement, the count stands at 101 reviewed code releases and 290 tracked tasks closed on a live site that earns every day. The speed comes from the safety, not despite it.
A full copy of the live site
Every change runs first on a complete copy of the production site: real data, every page, the same configuration. Not a sample. Most production surprises come from the long tail, and a full copy is the only place to see it.
Small changes, one at a time
A change that does one thing is easy to review, easy to test and easy to undo. When something does go wrong, there is only one suspect.
Every change reviewed
No code goes live without a second pair of eyes. AI speeds up writing and checking code; a person still decides what ships.
A written way back
Each release carries a written way to undo it. Writing it takes minutes. It turns a bad release into a short delay instead of an incident.
Check right after release
For bigger moments, changes go together with a list of live checks run straight after. One grouped release of 28 changes passed 20 of 20 live checks. The redesign launched only after 3,050 pages were compared, old against new, with none worse.
The trade that is not a trade
Teams that ship rarely ship big, and big releases are where things break. Small, reviewed, reversible changes are what make a hundred releases possible.
The examples in this article come from real engagements. Client details withheld; every figure comes from the client’s own data.
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