Top 22 Docker Security Best Practices: Ultimate Guide

This document is a comprehensive Docker security guide that outlines common risks—such as unrestricted inter-container traffic, vulnerable or malicious images, containers running as root, and shared host-kernel vulnerabilities—and presents 22 concrete best practices spanning host and daemon configuration, image building and registry management, runtime protections (rootless mode, seccomp, capabilities, read-only filesystems), monitoring, and CIS benchmark recommendations; it also highlights Aqua’s tooling for image scanning, runtime defense, container firewalling, and secrets management.