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Hectal

Docker · containers from zero to production

Build it once.
Run it anywhere, exactly the same.

Images, containers, Dockerfiles, volumes, networks, and Compose, then the Java/Spring specifics, security and size optimisation, registries and CI, what's really happening in the kernel, and how to run, build, and debug containers in production like a pro.

Phases
11
Topics
40
Hours
8
Diagrams
12
Exercises
145

By the end you can

What this course makes you able to do

  • Write small, secure, cache-efficient multi-stage Dockerfiles
  • Run multi-service stacks locally with Compose, volumes, networks, and healthchecks
  • Containerise Java/Spring apps correctly (JVM memory, layers, Testcontainers)
  • Build multi-arch images with BuildKit and ship them through registries and CI
  • Debug containers in production and explain namespaces, cgroups, and the runtime stack