Docker for Developers: Dev, Test, Deploy @ BucksCo Devops at MeetMe HQ
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The document discusses Docker's platform and ecosystem, which has grown significantly over 19 months to include over 640 contributors, 2.75 million downloads, and extensive community support and documentation. It also outlines the key components of Docker's platform, including the Docker Engine for building, shipping, and running containers, and Docker Hub for sharing images. Finally, it provides examples of how to use Docker to build, run, and manage applications and services across infrastructure.
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![$ docker run -t -i
—rm=false
—restart=“on-failure[:5]”
busybox
Legend:
—restart=Restart policy on exit (no, on-failure[:max-retry], always)](https://image.slidesharecdn.com/meetme-talk-oct-141022125859-conversion-gate01/85/Docker-for-Developers-Dev-Test-Deploy-BucksCo-Devops-at-MeetMe-HQ-39-320.jpg)
![POST /containers/create HTTP/1.1
Content-Type: application/json
!
{
"Hostname":"",
"Domainname": "",
"User":"",
"Memory":0,
"MemorySwap":0,
"Env":null,
“Cmd":[ "date" ],
"Image":"base",
“Volumes":{ "/tmp": {} },
"WorkingDir":"",
"NetworkDisabled": false,
"ExposedPorts":{
"22/tcp": {}
},
"RestartPolicy": { "Name": "always" }
}
HTTP/1.1 201 Created
Content-Type: application/json
!
{
"Id":"e90e34656806"
"Warnings":[]
}](https://image.slidesharecdn.com/meetme-talk-oct-141022125859-conversion-gate01/85/Docker-for-Developers-Dev-Test-Deploy-BucksCo-Devops-at-MeetMe-HQ-49-320.jpg)
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You are not excused! How to avoid security blind spots on the way to production
You are not excused! How to avoid security blind spots on the way to productionMichele Leroux Bustamante
Docker for Developers: Dev, Test, Deploy @ BucksCo Devops at MeetMe HQ
- 2. 19 Months Later: An Incredible Platform and Ecosystem Community 640+ Contributors 250+ Meetups on Docker 2.75M Downloads 6.7K Projects on GitHub Official Repos & 14K+ Dockerized Apps Support Enterprise Support Robust Documentation Implementation, Integration, Training Network of Partners The Docker Platform ! Docker Engine Docker Hub ! Build, Ship, and Run Partners Content Users
- 3. 60+ People and a Turtle Now up to 60+ people (and our pet turtle, Gordon)
- 4. …to Build, Ship, and Run Docker Hub Build Ship Run Source Dev QA Staging Linux OS Doocckkeerr Linux OS Linux OS Doocckkeerr Infrastructure Management Physical Infrastructure Management Virtual Cloud Source Code Repository DockerFile Docker Boot2Docker Linux OS Doocckkeerr TEST TEST TEST TEST TEST GCE RAX IBM Mac/Win Dev Machine Analytics DB Prod Machine Doocckkeerr ++ Users Collab Provenance Policy Registries Public Curated Private Docker Hub API Third Party Tools Prod Machine Prod Machine VM DoDcokcekrer VM DoDcokcekrer VM DoDcokcekrer QA Machine
- 11. Deploy services reliably & consistently • If it works locally, it will work on the server • With exactly the same behavior • Regardless of versions • Regardless of distros • Regardless of dependencies
- 14. Traditional Containerized Hardware VM (n) Hardware process (n) process (n) Hardware VM (n) Hardware "contained" process (n) "contained" process (n) process (n) "contained" process (n)
- 16. Traditional Host syslogd nginx backup-agent sshd
- 17. Traditional Host syslogd nginx backup-agent sshd Dockerized Host syslogd nginx backup-agent sshd
- 18. a security product? • Docker Engine can be used as a security product. • It provides a wrapper around processes • Provides a path toward attestation of arbitrary processes (Trusted Compute) • You can use VMs to wrap containers (and you can use containers inside of VMs)
- 19. Dockerized Host syslogd nginx backup-agent sshd golden image: FROM ubuntu RUN apt-get install rsyslog nginx amanda opensshd
- 20. Dockerized Host syslogd nginx backup-agent sshd syslog image: FROM ubuntu RUN apt-get install rsyslog nginx image: FROM fedora:f20 RUN yum install nginx backup-agent image: FROM ubuntu RUN apt-get install amanda sshd image: FROM debian RUN apt-get install opensshd
- 21. Do it! ‣ Build an image" ‣ Run it locally ‣ Push it to a registry (public or private) ‣ Run it (automatically!) in CI/CD and staging ‣ Run it in production
- 22. It’s an image builder.
- 27. Anatomy of a chef-container run: Image Linux Docker Initiates Creates Container Chef Chef Runs Configures Build Creates Runs Chef Configures Stage 1 Stage 2
- 28. Do it! ‣ Build an image ‣ Run it locally ‣ Push it to a registry (public or private) ‣ Run it (automatically!) in CI/CD and staging ‣ Run it in production
- 29. “docker run -t -i —rm=true my-image“ Legend: -t = allocate tty -i = interactive —rm = remove ephemeral filesystem when exiting
- 30. “docker ps”
- 31. Do it! ‣ Build an image ‣ Run it locally ‣ Push it to a registry (public or private)" ‣ Run it (automatically!) in CI/CD and staging ‣ Run it in production
- 33. Do it! ‣ Build an image ‣ Run it locally ‣ Push it to a registry (public or private) ‣ Run it (automatically!) in CI/CD and staging ‣ Run it in production
- 34. CI services… and others…?
- 35. $ ID=$(docker build $app-dir) $ docker run —rm=true $ID $ echo $?
- 36. fig - local orchestration ——fig.yml—— web: build: . command: python app.py ports: - "5000:5000" volumes: - .:/code links: - redis redis: image: orchardup/redis
- 37. $ ls Dockerfile fig.yml src $ docker run —privileged -v .:/opt/figapp ewindisch/figleaf $ echo $? Legend: —privileged = run “uncontained”. A permissive “firewall”, if you will. -v = provide volume or bind-mount filesystem into container
- 38. Do it! ‣ Build an image ‣ Run it locally ‣ Push it to a registry (public or private) ‣ Run it (automatically!) in CI/CD and staging ‣ Run it in production
- 39. $ docker run -t -i —rm=false —restart=“on-failure[:5]” busybox Legend: —restart=Restart policy on exit (no, on-failure[:max-retry], always)
- 40. Managing Docker at scale
- 41. Creating Containers is Easy
- 42. Managing them SUCKS needs improvement
- 43. Management Ecosystem Mesos ClusterHQ Clocker Flynn
- 44. PaaS ecosystem
- 45. Configuration / Infrastructure Management • Chef • Puppet • Salt • Ansible • CFEngine • etc…
- 46. Container Inventory • discoverd / sdutil • serf • skydock • others?
- 48. • By default the Docker daemon listens on unix:///var/run/docker.sock • Can listen on a TCP socket with TLS 1.0+ Plain-text also possible, but do not use it! (enabled by default with boot2docker) • Used by various community tools: fig, vagrant, ansible, etc.
- 49. POST /containers/create HTTP/1.1 Content-Type: application/json ! { "Hostname":"", "Domainname": "", "User":"", "Memory":0, "MemorySwap":0, "Env":null, “Cmd":[ "date" ], "Image":"base", “Volumes":{ "/tmp": {} }, "WorkingDir":"", "NetworkDisabled": false, "ExposedPorts":{ "22/tcp": {} }, "RestartPolicy": { "Name": "always" } } HTTP/1.1 201 Created Content-Type: application/json ! { "Id":"e90e34656806" "Warnings":[] }
- 50. Containers • List containers • Create a container • Inspect a container • List processes running inside a container • Get container logs • Inspect changes on a container's filesystem • Export a container • Resize a container TTY • Start a container • Stop a container • Restart a container • Kill a container • Pause a container • Unpause a container • Attach to a container • Wait a container • Remove a container • Copy files or folders from a container ! !
- 51. Images • List Images • Create an image • Inspect an image • Get the history of an image • Push an image on the registry • Tag an image into a repository • Remove an image • Search images
- 52. Misc • Build an image from Dockerfile via stdin • Check auth configuration • Display system-wide information • Show the docker version information • Ping the docker server • Create a new image from a container's changes • Monitor Docker's events • Get a tarball containing all images in a repository • Get a tarball containing all images. • Load a tarball with a set of images and tags into docker • Image tarball format • Exec Create • Exec Start • Exec Resize
- 53. Q & A @ewindisch