What does good CI/CD actually give me?
A deploy that happens automatically and identically every time you push, instead of a manual sequence someone has to remember and perform correctly under pressure. That reliability changes behavior, because when shipping is safe and boring you ship small and often, which is far less risky than rare, large releases.Why does deploy frequency matter so much?
Because risk scales with the size of a release. A change that took an afternoon is easy to review, easy to roll back, and easy to debug if it misbehaves. A release that bundles three weeks of changes is the opposite. Automated deploys make small, frequent releases practical, which is the safer way to ship.Is this only for big teams?
No. A solo developer benefits just as much, arguably more, because there is nobody else to catch a missed manual step. Automating the pipeline means the deploy is correct every time regardless of how tired or distracted the person pushing is.