The team needs to place known application source from the build context into a citizen-portal image without unpacking archives or fetching remote URLs. Which instruction is the professional default?
Select an answer to reveal the explanation.
Short Explanation
COPY is the plain envelope: put these files in the box. ADD is the cousin that might also unzip packages or download from the internet—handy once, surprising often.
Full Explanation
COPY takes files from the build context into the image and does nothing more. ADD can unpack local archives and fetch remote URLs, which surprises reviewers and complicates reproducible builds. For ordinary application source, prefer COPY.