Stop Configuring Servers by Hand: A Complete Guide to Packer Golden Image Pipelines from Build to Security Scanning
Overview 2 AM, alert fires. Investigation reveals a server running an outdated OpenSSL version with known vulnerabilities. Security team asks: how many more machines are in the same state? You don’t have an answer. That’s the cost of configuring servers manually. Each machine gets its own apt install, producing environments that drift apart. Someone forgot a patch, someone installed extra packages, someone changed a kernel parameter without documenting it. When things break, you realize—you have no idea how many “configuration drift” variants are running in production....