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This article outlines four practical strategies to accelerate CI/CD pipelines—using a self‑hosted GitLab Runner, caching build dependencies, employing lightweight Alpine images for CI jobs, and conditionally running jobs only when relevant files change—to improve developer efficiency.
Alpine Linux 3.15 introduces disk‑encryption support, UEFI Secure Boot, updated kernels and packages, several significant changes such as gzip‑compressed kernel modules and removed MIPS64 support, and deprecates tools like sudo in favor of doas while warning about the upcoming end‑of‑life for php7.
To accelerate CI/CD pipelines, the article recommends using self‑hosted GitLab Runners on a private cloud to eliminate network bottlenecks, caching build dependencies locally, employing lightweight Alpine images for faster container pulls, and limiting job execution to changed files via the only:changes directive.
The article explains how Alpine Linux’s lack of historic package retention complicates Docker image reproducibility, discusses the importance of version pinning, compares repository versus package pinning, and highlights the challenges developers face when older package versions become unavailable.