Copy files with explicit ownership.
Section: Common Patterns
Copy with ownership
dockerfile
dockerfile
COPY . /appExplanation
Avoids extra `chown` layers in many images.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Common Patterns
Use multi-stage build
Build artifacts in one stage and copy only runtime output into the final stage.
Cache dependencies effectively
Copy dependency manifests before application code to maximize layer cache reuse.
Copy files into image
Copy files from the build context into the image.