Ensure workdir exists before running a command #934
Merged
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Ensure the working directory exists before executing any command. Running commands in a non-existent directory can cause unpredictable behavior, including silent failures, incorrect error messages, or commands executing in unexpected locations (such as the parent directory or system root).
This solution fails immediately when the directory doesn't exist to communicate the reason to the user. This a difference from how Dockerfile behaves, but keeps the behavior clear as it's a bit unexpected situation.