Shipping & operations
Getting the app live and keeping it healthy.
DeployPutting the latest version of your app live so real people can use it.
EnvironmentA separate copy of the app, like development or production, each with its own settings and data.
StagingA private rehearsal copy of the live app where you check new changes before customers see them.
ProductionThe live version of your app that real people use, with real data.
BugA mistake in the app that makes it behave differently from what was intended.
LogsA running record of what the app did and what went wrong, used to track down problems.
Version controlA system that saves every change to the app's code, so you can see history and go back to any earlier version.
RollbackSwitching the live app back to an earlier version when a new release breaks something.
DomainYour app's address on the web, like acme.com, which you buy and point at where the app is hosted.
AnalyticsMeasuring how people actually use your app: visits, sign-ups, clicks, and where they drop off.
PerformanceHow fast an app loads and responds, which strongly affects whether people stick around.