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The paper introduces PPTAM$\eta$, a CI/CD pipeline integrated with GitLab CI, designed to measure the energy consumption of containerized API systems during rapid deployment cycles. It addresses the gap in current CI/CD practices by incorporating power and energy measurement, revealing the impact of code changes on energy efficiency. The evaluation on a JWT-authenticated API demonstrates the pipeline's ability to collect performance and energy metrics across different commits, enabling version comparison and trend analysis.
Finally, a CI/CD pipeline that makes the energy consumption of your containerized API visible at every commit, enabling data-driven optimization.
Modern container-based microservices evolve through rapid deployment cycles, but CI/CD pipelines still rarely measure energy consumption, even though prior work shows that design patterns, code smells and refactorings affect energy efficiency. We present PPTAM$\eta$, an automated pipeline that integrates power and energy measurement into GitLab CI for containerised API systems, coordinating load generation, container monitoring and hardware power probes to collect comparable metrics at each commit. The pipeline makes energy visible to developers, supports version comparison for test engineers and enables trend analysis for researchers. We evaluate PPTAM$\eta$ on a JWT-authenticated API across four commits, collecting performance and energy metrics and summarising the architecture, measurement methodology and validation.
