When using Docker, always pull images from trusted sources and scan them regularly for security issues. Do not run containers as root. Limit container resources to protect the host, and use secrets management tools for any sensitive information. Secure your network so containers interact only with the services they need, and use firewalls. Regularly update Docker and container images with the latest patches. Use isolation features such as namespaces and avoid privileged mode. Monitor containers for suspicious activity with recommended tools, and set up strict user access and permissions to keep Docker resources secure.
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