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Docker

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May 1, 2024 Updated November 6, 2026 24 minute read

Docker is an open platform that empowers developers to build, ship, and run applications in standardized, isolated environments called containers. These containers package an application's source code along with all the necessary operating system libraries and dependencies required for it to run consistently across various environments. Think of it as a way to bundle your application and everything it needs to work, ensuring it behaves the same way whether it's on a developer's laptop, a testing server, or in a production environment. This capability significantly streamlines the software development lifecycle, allowing for quicker and more reliable delivery of applications.

Path to Docker

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We've curated 24 courses to help you on your path to Docker. Use these to develop your skills, build background knowledge, and put what you learn to practice.
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Reading list

We've selected 18 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Docker.
Demystifies container execution mechanics from packaging through distribution, providing concrete recipes for bind mounts, network bridging, and runtime isolation barriers.
Delivers an exceptionally accessible yet technically deep walkthrough of container runtimes, diving into containerd, rootless execution, image architecture, and Swarm clusters.
Gathers 100+ proven patterns and diagnostic workflows, tackling real-world problems around automated container builds, minimal base images, build caching, and volume persistence.
Guides engineers through a structured daily roadmap of practical container exercises, transitioning legacy monoliths into lightweight, containerized microservices step by step.
Presents high-availability architectural blueprints for distributed cloud systems, covering container clustering, horizontal autoscaling, load shedding, and resilience engineering.
Investigates defense-in-depth container security, detailing host kernel hardening, secure image supply chains, automated SBOM auditing, and runtime workload protection mechanisms.
Furnishes pragmatic configuration recipes for systems administrators, tackling multi-container Compose orchestration, private registry management, and host storage performance.
Explores enterprise container operations at scale, walking through security vulnerability scanning, multi-node clustering, secrets rotation, and automated infrastructure monitoring.
Addresses cluster-wide container orchestration and automated rollouts, detailing Swarm scheduling algorithms, service discovery, overlay networks, and declarative stack manifests.
Unpacks the transition from standalone Docker engines to Kubernetes orchestration, exploring pod abstractions, deployment manifests, service mesh concepts, and resource governance.
Examines cloud-native patterns for containerized applications, illustrating twelve-factor design principles, health check probes, stateless service tiers, and persistent state stores.
Details automated build and release pipelines, showing how to trigger multi-stage container builds, run automated unit test runners, and publish versioned artifacts via Jenkins CI.
Introduces containerized developer environments, explaining how to synchronize local code volumes, configure live reloaders, and establish consistent development stacks across teams.
Focuses on decomposing monolithic Java enterprise services into portable containers, illustrating service discovery, container communication, and load balancer configurations.
Walks through native container orchestration topologies, exploring consensus algorithms, service task distribution, ingress routing meshes, and fault-tolerant node failover.
Bridges network perimeter security and container ingress, demonstrating how reverse tunneling and outbound-only mTLS connections eliminate open inbound firewall attack surfaces.
Connects container orchestration with developer application stacks, guiding engineers through containerizing microservices, wiring Terraform provisioning, and staging clusters.
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