Configuration scripts and files should clearly document non-obvious choices, especially numeric IDs, special values, and environment-specific commands. Include comments explaining the purpose and reasoning behind configuration decisions to help future maintainers understand why specific values or approaches were chosen.
When using numeric user/group IDs, always document which user they represent:
# Set ownership to proxy user (UID 13) required for Squid operation
chown -R 13:13 /var/log/squid
Additionally, verify that configuration commands work reliably across environments. Avoid commands with known compatibility issues and prefer more explicit alternatives:
# Use explicit directory change instead of -C flag due to poetry issue #9415
cd api && poetry install
This practice prevents configuration failures and reduces debugging time when scripts don’t work as expected in different environments.
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