Safe Software Deployments: Through the Looking Glass

Safe Software Deployments: Through the Looking Glass

We’ve covered a lot of ground in this Safe Software Deployment series, from the 180 Rule to Z Deployments to the Goldilocks Gauge. But there is an elephant in the room. Or should I say, a jabberwock. In Lewis Carroll’s novel Through the Looking Glass, Alice discovers that the mirror above her mantle is not a mirror at all, but a doorway to another world in which things work very differently. When developers push software from staging to production, they often have a similar experience. Though they want to believe that staging and production are the same, they discover that staging is not a mirror at all, and production is another world, in which things work very differently. And out of that distortion come bugs and outages. ...

January 11, 2022 · 4 min · Mark Porter