COPY vs ADD

IT Services Circle

Jul 3, 2023 · Cloud Native

Dockerfile Best Practices: Alpine Images, Multi‑Stage Builds, ARG, CMD/ENTRYPOINT, and COPY vs ADD

This article explains Docker fundamentals and advanced Dockerfile techniques—including using Alpine base images, multi‑stage builds, build‑time ARG variables, CMD versus ENTRYPOINT usage, and the differences between COPY and ADD—to create smaller, faster, and more flexible container images.