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Metadata
ID:docker-best-practices/use-absolute-paths
Language: Docker
Severity: Warning
Category: Best Practices
Description
This rule encourages the use of absolute paths or the WORKDIR instruction to change directories within Dockerfiles instead of chaining commands with cd. Using relative paths combined with cd in a single RUN instruction can lead to less readable and more error-prone code. It also makes it harder to track the current working directory during image builds.
To comply, either set the working directory explicitly using WORKDIR /path/to/directory before running commands or use absolute paths in instructions like RUN cp /source/file /destination/path. Avoid combining cd with other commands in a single RUN line, as this can cause unexpected behavior and complicate debugging.