Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
BuildKit's --secret flag shipped in Docker 18.09 in 2018, yet ENV and --build-arg leaks into image layers remain the most common way containers ship credentials.
A typical java:17 image ships a full OS and root shell; distroless plus JVM container-awareness flags cut that attack surface to almost nothing.
Multi-stage builds are pitched as a way to shrink images. Their bigger payoff is security: build secrets, compilers, and toolchains that never reach production. Here is how to use them right.
Scanning tells you what could go wrong before deploy. Runtime monitoring tells you what is going wrong right now. Here is how to detect container attacks as they happen.
Layer caching makes builds fast — and quietly bakes secrets into layers, hides unpatched base images, and poisons shared CI caches. Here is how to keep caching without the exposure.
eBPF lets you observe and enforce security at the kernel level — every syscall, network connection, and process exec — without kernel modules or instrumenting your apps. Here is how tools like Falco, Tetragon, and Cilium use it to catch what image scanning cannot.
A service mesh can give you mutual TLS between every service, identity-based authorization, and encrypted traffic without touching application code — or it can become an over-privileged proxy layer you never locked down. Here is how to do it right.
A fail-the-build scanning pipeline is a few YAML lines away — but pin the Action wrong and you inherit its supply chain risk too.
Docker retires Content Trust on December 8, 2026, while fewer than 0.05% of Hub pulls ever used it — here's how Sigstore and Notary v2 actually replaced it.
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