microservices: Optimized Time Series Analytics Dockerfile

[vkb1]

Description

Optimized the Dockerfile to reduce the container image size from 1.56GB to 1.29GB

Any Newly Introduced Dependencies

None

How Has This Been Tested?

Yes, functionally verified the temperature results

Checklist:

• I agree to use the APACHE-2.0 license for my code changes.
• I have not introduced any 3rd party components incompatible with APACHE-2.0.
• I have not included any company confidential information, trade secret, password or security token.
• I have performed a self-review of my code.

[Copilot]

Pull Request Overview

Optimizes the Dockerfile for the time-series analytics service by consolidating layers, minimizing installed packages, and cleaning up caches to reduce image size and improve security.

• Consolidated and streamlined package installation and cleanup steps
• Switched to sparse checkout for Kapacitor Python plugin and removed unneeded files
• Added non-root user setup and improved healthcheck

Comments suppressed due to low confidence (2)

microservices/time-series-analytics/Dockerfile:44

• [nitpick] The PYTHONPATH includes '/tmp/py_package', but this directory is never created or populated in the Dockerfile; consider removing it or ensuring it's generated.

ENV PYTHONPATH="${PYTHONPATH}:/tmp/py_package:/app/kapacitor_python/" \

microservices/time-series-analytics/Dockerfile:16

• The 'apt-get purge -y --auto-remove' command is missing package names and will fail; specify which packages to purge or use 'apt-get autoremove -y' instead.

apt-get purge -y --auto-remove && \