Cloud Build produces; Cloud Deploy promotes — never the reverse.

Deploying straight from a Cloud Build step throws away every approval gate and rollback mechanism the next four slides build.

SourceGit commit

Cloud Buildtest, scan, build

Artifact Registrytested image

Cloud Deployrelease created

Rolloutsdev → staging → prod

Exactly one artifact flows through the right-hand side — Cloud Deploy never rebuilds anything, it only ever promotes what CI already produced.