Next.js Deployments Intermittently Serve Stale Build Despite Successful CI/CD Run
A Next.js App Router application deployed via GitHub Actions to a VM (PM2 + Nginx) sometimes continues serving the previous build even though the CI/CD workflow completes successfully and the .next directory timestamp is fresh; only manually deleting .next and restarting PM2/Nginx fixes it. This points to a caching or process-restart gap in a very common Next.js + PM2 + Nginx deployment pattern.
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