![OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM
IMAGES ARE LAYERED; EACH LAYER IS CACHED OR FETCHED INDIVIDUALLY
KOENIGHOTZE/JDK8
FROM GLIDERLABS/ALPINE:3.3
…
CMD ["BASH", "-L"]
MAINTAINER DAVID SCHMITZ
VOLUME [$SRC_VOLUME]](https://image.slidesharecdn.com/docker-introduction-160320153224/75/docker-for-the-brave-44-2048.jpg?cb=1668629863)
Docker for the Brave
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Introduction to Docker and Docker compose. Getting started with basic setup and understanding why it is needed....
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Docker for the Brave
- 1. DOCKER FOR THE BRAVE INTRODUCTION FOR BUSY PEOPLE
- 2. AGENDA AGENDA ▸ The need for containers ▸ Overview: Docker and the Docker Ecosystem ▸ Basic Docker Workflows
- 3. “Well, it worked on my machine!”
- 4. THE NEED FOR CONTAINERS TRADITIONAL SOFTWARE DELIVERY SUFFERS FROM GAP BETWEEN DEV AND PROD STABILITY AND ROBUSTNESSFLEXIBILITY Development Production
- 5. THE NEED FOR CONTAINERS TRADITIONAL SOFTWARE DELIVERY SUFFERS FROM GAP BETWEEN DEV AND PROD Loan Application JDK 8 WILDFLY MYSQL MAC OSX Production JDK 6 WEBLOGIC ORACLE AIX FIREWALL SECURITY INFRASTRUCTURE MONITORING … ?
- 6. Magic Operations Guide Template
- 8. Unicorns do not exist!
- 9. THE NEED FOR CONTAINERS CONTAINERIZED APPLICATIONS OFFER A WAY TO NARROW THE GAP ▸ Immutable containers reduce human errors ▸ Instead of “works on my machine” you deploy the machine ▸ Think diapers
- 10. THE NEED FOR CONTAINERS PACKAGE ONCE DEPLOY ANYWHERE CODE RUNTIME SYSTEM TOOLS LIBRARIES Container
- 11. THE NEED FOR CONTAINERS Loan Application JDK 7 MYSQL CORE OS WILDFLY Container Production Sales Application JDK 8 NEO4J ALPINE JETTY Container JDK 7 MYSQL CORE OS WILDFLY Container JDK 8 NEO4J ALPINE JETTY Container
- 12. THE NEED FOR CONTAINERS VIRTUALIZATION VS. CONTAINERS SPEED FOOTPRINT SIMPLICITY
- 13. DOCKER BOOTCAMP
- 14. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE DOCKER ECOSYSTEM CONSISTS OF FIVE ESSENTIAL PARTS Docker SwarmMachine Compose Network
- 15. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM WE’LL ONLY COVER THE BASICS Docker Machine Compose Swarm Network
- 16. LINUX VM (BOOT2DOCKER.ISO) OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM DOCKER-MACHINE HELPS GETTING STARTED ON NON LINUX BOXES DOCKER HOST WILDFLY MYSQL REDIS
- 17. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM DOCKER TOOLBOX TO THE RESCUE ▸ Offers a one stop Docker setup for non- Linux machines ▸ Easiest way to get started on Mac and Windows ▸ Includes everything covered in theses slides https://www.docker.com/docker-toolbox
- 18. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM DOCKER IN A NUTSHELL REGISTRYDOCKER HOST DOCKER CLIENT CONTAINER CONTAINER CONTAINER IMAGE IMAGE
- 19. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM IMAGES AND CONTAINERS IMAGE ALPINE:3.1 CONTAINER: DREAMY_HUGLE B00F46831AF3 CONTAINER: SLEEPY_GOLICK F0A1172ADB12 CONTAINER: JOLLY_BABBAGE D0BAE89AD214
- 20. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM CONTAINER LIFECYCLE CREATED STARTED STOPPED REMOVED
- 21. DEMO TIME BUILDING A LOCAL TWITTER ▸ Bootstrap demo ▸ Basic container usage
- 22. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM EXPOSING SERVICES
- 23. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM CONTAINER PORTS ARE NOT VISIBLE OUTSIDE OF THE DOCKER HOST
- 24. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM CONTAINER PORTS ARE NOT VISIBLE OUTSIDE OF THE DOCKER HOST ? DOCKER HOST CONTAINER: DREAMY_HUGLE B00F46831AF3 80 443
- 25. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM CONTAINER PORTS MUST BE MAPPED TO EXTERNALLY VISIBLE PORTS
- 26. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM CONTAINER PORTS MUST BE MAPPED TO EXTERNALLY VISIBLE PORTS DOCKER HOST CONTAINER: DREAMY_HUGLE B00F46831AF3 80 443 8080
- 27. DEMO TIME BUILDING A LOCAL TWITTER ▸ Bootstrap demo ▸ Basic container usage ▸ Running ngnix ▸ Exposing ports
- 28. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM IS VERSIONED CONTAINER: TEST F0A1172ADB12 CREATED STARTED
- 29. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM IS VERSIONED CONTAINER: TEST F0A1172ADB12 foo CREATED STARTED
- 30. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM IS VERSIONED CONTAINER: TEST F0A1172ADB12 foo STARTED STOPPED
- 31. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM SURVIVES RESTARTS CONTAINER: TEST F0A1172ADB12 foo STARTED STOPPED
- 32. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM SURVIVES RESTARTS CONTAINER: TEST F0A1172ADB12 foo STARTED
- 33. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM IS VERSIONED CONTAINER: TEST F0A1172ADB12 foo CREATED STARTED STOPPED REMOVED
- 34. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM IS TRANSIENT CONTAINER: TEST F0A1172ADB12 foo STOPPED REMOVED
- 35. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM IS TRANSIENT CONTAINER: TEST D8C89E9BB6AB CREATED STARTED
- 36. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM IS TRANSIENT CONTAINER: TEST D8C89E9BB6AB CREATED STARTED
- 37. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE CONTAINER FILESYSTEM IS SEPARATED FROM THE HOST ENVIRONMENT HOST CONTAINER: DREAMY_HUGLE B00F46831AF3
- 38. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM PERSISTENT VOLUMES ARE USED TO SHARE DATA BETWEEN HOST AND CONTAINER HOST CONTAINER: DREAMY_HUGLE B00F46831AF3 CONTAINER: SLEEPY_GOLICK F0A1172ADB12 VOLUME: DATA
- 39. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM PERSISTENT VOLUMES ARE USED TO SHARE DATA BETWEEN HOST AND CONTAINER HOST CONTAINER: MYWEB B00F46831AF3 VOLUME: ~/SHARED VOLUME: /USR/SHARE/NGINX/HTML/ foo.htmlfoo.html
- 40. DEMO TIME BUILDING A LOCAL TWITTER ▸ Bootstrap demo ▸ Basic container usage ▸ Running ngnix ▸ Exposing ports ▸ Sharing volumes and data ▸ Monitoring
- 41. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM THE DOCKERFILE IS THE RECIPE FOR AN IMAGE IMAGE KOENIGHOTZE/JDK8 Dockerfile
- 42. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM READ WRITE LAYER READ LAYER READ LAYER READ LAYER
- 43. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM
- 44. OVERVIEW: DOCKER AND THE DOCKER ECOSYSTEM IMAGES ARE LAYERED; EACH LAYER IS CACHED OR FETCHED INDIVIDUALLY KOENIGHOTZE/JDK8 FROM GLIDERLABS/ALPINE:3.3 … CMD ["BASH", "-L"] MAINTAINER DAVID SCHMITZ VOLUME [$SRC_VOLUME]
- 46. COMPOSITION COMPLEX SCENARIOS USING COMPOSE MANAGING DEPENDENCIES WITH DOCKER-COMPOSE CONTAINER: DREAMY_HUGLE B00F46831AF3 CONTAINER: SLEEPY_GOLICK F0A1172ADB12 CONTAINER: JOLLY_BABBAGE D0BAE89AD214
- 47. COMPLEX SCENARIOS USING COMPOSE USING DOCKER-COMPOSE FOR DEPENDENCIES* BOOKING ping mongodb MONGODB GUEST curl $GUEST_URI *Note: Compose V1 Syntax
- 48. MOVIE CONTAINER COMPLEX SCENARIOS USING COMPOSE DOCKER SINGLE HOST NETWORKING USING LINKS MOVIE.WAR ACTOR CONTAINER ACTOR.WAR
- 49. DEMO TIME CREATING A SIMPLE COMPOSITION WITH SPRING-BOOT AND DOCKER ▸ Create simple web application ▸ Add database as container ▸ Create compositions file ▸ Add volumes
- 50. BEYOND DOCKER WHAT IS NEXT? ▸ CoreOs and rkt ▸ Docker Swarm and Kubernetes ▸ Unikernels (!)
- 51. BEYOND DOCKER AND SUMMARY SUMMARY ▸ Docker is production ready ▸ Docker-Compose is targeted towards developers and should not be used for production ▸ Might have some issues with regards to networking and clustering ▸ Multi-Cloud deployments possible ▸ Community is vital and eager to help
- 52. WANT TO KNOW MORE? TRY ONE OF THESE GREAT VAULTS OF WISDOM ▸ Docker Home Page: https://www.docker.com/ ▸ Docker Cheat Sheet: https://github.com/wsargent/docker-cheat-sheet ▸ James Turnbull, Dockerbook: http//www.dockerbook.com/
- 54. BACKUP <>
- 55. THE NEED FOR CONTAINERS Loan Application JDK 7 MYSQL CORE OS WILDFLY Container JDK 8 NEO4J ALPINE JETTY Container RUBY POSTGRES ALPINE RAILS Container … … … … Container