Ship the whole environment, not just the code.
In this interactive Infrastructure lesson from Stencel Academy you don't just read — you type real commands like docker run -d -p 8080:3000 promptd:v2, docker ps and watch the machine respond on a live, animated map. It is part of the free How Infrastructure Works course.
Builds on: Queues & Workers.
docker images — Images on this host — versioned, immutable artifacts.docker history promptd:v2 — An image is layers, one per Dockerfile step.docker logs elegant_mendel — The container's stdout is your first debugging stop.docker pull registry.stencel.ai/promptd:v2 — Images live in a registry — that's how they reach web-02.