Development and Deployment with Docker
preaction.me/docker
CC-BY-SA 4.0
For navigation help, press ?
For speaker view and notes, press S
For full-screen, press F
CC-BY-SA 4.0
For navigation help, press ?
For speaker view and notes, press S
For full-screen, press F
What Is Docker?
Not A VM
Not Hardware Simulation
Not Running an OS
Container
Isolate a single process
Load a Linux Distribution
But not a new kernel
Copy Everything
- Executables
- Libraries
- Files
Container:
A complete environment to run a program
Setup is Hard
What is Docker?
Container Management
Container Configuration
Layered File Systems
Multi-Container Applications
Dev Envs
Prod Envs
Scaling
Our First Container
Layered Filesystem
/
/usr/local/bin/perl /usr/local/lib/site_perl
/usr/local/bin/mojo /usr/local/lib/site_perl/Mojolicious
Run a Command
Build A Container
Add Prereqs
Expose Ports
Docker Handles Networking
Mount a Volume
Volumes Share
Volumes Persist
Compose an App
Why Docker?
Software Demos
Automated Testing
Horizontal Scaling
Things VMs Do
But faster!
Sources:
- https://docs.docker.com
- https://en.wikipedia.org/wiki/Linux_namespaces
- https://en.wikipedia.org/wiki/UnionFS