DOCKMOD.DOCK-08 · v1.0
From Dockerfile to production-grade container — without the CVE debt.
8 micro-lessons · ~78 min · Real Docker images
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Docker in Production
From Dockerfile to production-grade container — without the CVE debt.
WHY THIS MATTERS · DOCKER ENGINE V29 · ROADMAP.SH · BRET FISHER DOCKER MASTERY (318K+ STUDENTS)
Docker Engine v29 (Nov 2025) made containerd the default image store, shipped BuildKit 0.29.0, and deprecated legacy graph drivers. roadmap.sh's Docker path (6th most-starred GitHub project) and six surveyed curricula converge on the same 12 core topics — this course covers all 12 with production gaps filled.
01Containers vs VMs — the mental model that sticks
02Dockerfile mastery: multi-stage, caching, and non-root
03Docker Compose for real apps
04Volumes, bind mounts, and data persistence
05Networking: bridge, overlay, and DNS discovery
06Registries, image tagging, and CI/CD pipelines
07Container security and image hardening
08Observability: Prometheus, Grafana, and cAdvisor
Write production-grade Dockerfiles with multi-stage builds, layer caching, and non-root USER
Orchestrate multi-container apps with Docker Compose including healthchecks, volumes, and secrets
Ship a GitHub Actions CI/CD pipeline that builds, scans, tags, and deploys container images
Harden containers against the top CVE classes using Docker Scout, read-only filesystems, and minimal base images
Wire a Prometheus + Grafana + cAdvisor observability stack for live container metrics
$ docker pull snap/smoke-test-2:hello
$ docker run --rm -it snap/smoke-test-2:hello
snap/smoke-test-2:hello
The multi-stage Dockerfile lesson alone cut our image sizes by 60%. Wish I'd had this two years ago.
@platform_eng_raviVERIFY ON GITHUB
The CI/CD pipeline project is exactly what I needed for my portfolio. Got an interview within a week of pushing it.
@devops_martaVERIFY ON GITHUB
LESSONS8
HOURS~1.3
LEARNERS0
THIS WEEK+0%