Docker intro
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This document discusses Docker containers and how they provide separation of concerns between operations and development teams. It covers how containers isolate applications from the underlying operating system and hardware. The document also demonstrates how to build a basic Docker container with a Dockerfile and run a container using Docker commands. Finally, it briefly mentions tools like Docker Compose, Serf, and HAProxy that can be used to manage containerized applications.
![FROM ubuntu
RUN apt-get install -y nginx
EXPOSE 8080
CMD [“nginx”]
Friday, 28 February 14](https://image.slidesharecdn.com/docker-intro-140227171409-phpapp01/85/Docker-intro-21-320.jpg)
Docker intro
- 1. Friday, 28 February 14
- 2. ... but why? Friday, 28 February 14
- 3. let’s talk about cargo Friday, 28 February 14
- 4. Friday, 28 February 14
- 5. Friday, 28 February 14
- 6. but, what’s that got to do with docker ... Friday, 28 February 14
- 7. separation of content loading and handling Friday, 28 February 14
- 8. standardised interface Friday, 28 February 14
- 9. hand crafted VM/Server vs standardised container Friday, 28 February 14
- 10. Friday, 28 February 14
- 11. Friday, 28 February 14
- 12. separation of Ops and Dev Friday, 28 February 14
- 13. ... but how? Friday, 28 February 14
- 14. OS hardware Friday, 28 February 14 docker container container container container
- 15. process bin/lib base image Friday, 28 February 14
- 19. and building a container? Friday, 28 February 14
- 20. Friday, 28 February 14
- 21. FROM ubuntu RUN apt-get install -y nginx EXPOSE 8080 CMD [“nginx”] Friday, 28 February 14
- 22. docker build -t name . docker run name docker ps Friday, 28 February 14
- 23. $ Demo Friday, 28 February 14
- 24. Friday, 28 February 14
- 25. what happens around docker Friday, 28 February 14
- 26. Friday, 28 February 14
- 27. $ vagrant box add base http://files.vagrantup.com/ precise32.box $ vagrant init $ vagrant up Friday, 28 February 14
- 28. Friday, 28 February 14
- 29. Friday, 28 February 14
- 30. Friday, 28 February 14
- 31. FROM orchardup/python:2.7 ADD . /code WORKDIR /code RUN pip install -r requirements.txt Friday, 28 February 14
- 32. web: build: . command: python app.py links: - db ports: - 8000:8000 db: image: orchardup/postgresql Friday, 28 February 14
- 33. Friday, 28 February 14
- 34. Friday, 28 February 14
- 37. me: @norbu09 thanks Friday, 28 February 14