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Catalogue / Containers & orchestration

Docker: From Your First Image to Production

Build, run and ship containerized applications with Docker and Docker Compose, all the way to a secure deployment on a VPS.

  • Beginner to advanced
  • 15 lessons
  • 13 h 10 min

A MasterLinux course · Original text

What you will learn

  • Understand what containers, images and registries are, and how they differ from a virtual machine
  • Install Docker Engine on Debian, Ubuntu or RHEL and master everyday commands
  • Write clean Dockerfiles that rebuild fast and stay small thanks to multi-stage builds
  • Keep data safe with volumes, and back it up
  • Connect containers with Docker networks and publish the right ports
  • Describe a complete application (web, API, PostgreSQL, Redis) with Docker Compose
  • Push images to a registry and deploy to production behind nginx with HTTPS
  • Secure and troubleshoot containers (non-root user, capabilities, secrets, clean-up)

Course content

15 lessons · 13 h 10 min
Section 1 — Fundamentals4 lessons · 2 h 35 min
  1. Why containers? Preview30 min
  2. Installing Docker and taking your first steps 40 min
  3. Images in detail 40 min
  4. Writing a Dockerfile 45 min
Section 2 — Images, data and networks5 lessons · 4 h 5 min
  1. Advanced Dockerfile and lightweight images 50 min
  2. Volumes and data persistence 45 min
  3. Docker networks 45 min
  4. Docker Compose (1): describing your application 50 min
  5. Docker Compose (2): a complete stack 55 min
Section 3 — Production3 lessons · 2 h 35 min
  1. Private registries, tags and versions 45 min
  2. Logs, resources and monitoring 50 min
  3. Deploying to production on a VPS 1 h
Section 4 — Security and troubleshooting2 lessons · 1 h 55 min
  1. Container security 1 h
  2. Troubleshooting Docker 55 min
Section 5 — Certification1 lesson · 2 h
  1. Docker mock exam 2 h

Requirements

  • The “Fundamentals” course (included) or solid hands-on experience with the Linux terminal
  • Able to edit a file and run a command as root

Who is this course for?

  • Technicians and system administrators who need to host applications
  • Developers who want to ship their code reproducibly
  • Engineers preparing for a DevOps role or a container certification