Overview

Google, IBM & Meta Certificates – 40% Off

One plan covers every Professional Certificate on Coursera.

Learn to create secure, resilient Docker environments through this hands-on course built around 10 real-world demos covering container hardening, troubleshooting, and DCA exam readiness. With the Docker Certified Associate (DCA) exam core domains in mind, this course helps you strengthen the security and troubleshooting skills needed for real-world container operations and certification confidence. Designed for developers, DevOps learners, cloud professionals, IT students, career switchers & those preparing for the DCA exam, this course takes you from basic container usage to secure, production-aware Docker operations. You'll learn Linux namespaces, cgroups, and capabilities, how to harden containers with seccomp and AppArmor, manage Docker secrets, secure the Docker daemon with TLS, audit hosts with Docker Bench for Security & troubleshoot real-world networking and application failures, all while reviewing the core DCA exam domains. By the end, you'll be able to apply Docker security best practices, diagnose container issues, strengthen deployments, and walk into the DCA exam with confidence. Enroll now to build production-ready Docker security and troubleshooting skills.

Syllabus

Security Fundamentals

Learn the core concepts of Docker security, including Linux namespaces, cgroups, resource limits, and Linux capabilities. Understand how these technologies provide isolation and secure container execution.

Hardening Containers and Images

Explore techniques for securing containers and images using Seccomp, AppArmor, rootless Docker, user namespace remapping, and vulnerability scanning. Learn best practices for building and running secure containerized applications.

Securing Secrets, Daemon and Deployments

Learn how to protect sensitive information with Docker Secrets, secure the Docker daemon using TLS, and audit Docker environments. Apply best practices to harden container deployments for production use.

Monitoring and Troubleshooting

Learn to investigate container logs, monitor application performance, diagnose networking issues, and troubleshoot common Docker problems. Develop practical skills for maintaining healthy and reliable Docker environments.

DCA Exam Preparation

Review the Docker Certified Associate (DCA) exam domains, understand common question patterns, and create an effective revision strategy. Reinforce your knowledge with a mock exam to build confidence for the certification.