Workshop 1
April 7, 2018
Use code DOHACKSOC15 for $15 of free credit when you create your account.
Docker
Getting Started
Your First Image
Docker is a container engine
A container image is a lightweight, stand-alone, executable package of a piece of software that includes everything needed to run it
docker.com
Single Piece of Software
- One Service
- One Purpose
- Improves Scalability
Lightweight
- Kernal not included
- Images are made up of "steps"
- Only what you need
Use Cases
and
Examples
Use Cases
Can you think of any?
Scaling
USA
EU
AU
01:00 GMT
19:00 GMT
08:00 GMT
CDN
PROCCESSING
AUTH
GUI
DATABASE
Predictable Development Environment
Docker
Getting Started
Your First Image
FROM node:latest
ENV NPM_SCRIPT=start
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app
COPY package.json /usr/src/app/
RUN npm install
COPY .env /usr/src/app
COPY . /usr/src/app
EXPOSE 80
CMD npm ${NPM_SCRIPT}FROM node:latest
ENV NPM_SCRIPT=start
RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app
COPY . /usr/src/app
EXPOSE 80
CMD run ${CMD}
$ docker run
hacksoc/hello-world
$ docker run
hacksoc/hello-world
Unable to find image 'hacksoc/hello-world:latest' locally
latest: Pulling from hacksoc/hello-world
# scratch
ff3a5c916c92: Already exists
# alpine:latest
627bdaa1140e: Pull complete
# hacksoc/hello-world:latest
Digest: sha256:a2900d9fb318e5fff31fd97bae1caaa03a953e2bbc84694f13542f9eecdfe1a7
Status: Downloaded newer image for hacksoc/hello-world:latestQuestions?
Docker
Getting Started
Your First Image
$ git clone
https://github.com/aaronosher/DockerWorkshop
$ git checkout Workshop-1
$ cd DockerWorkshop
Docker Workshop 1
By Aaron Osher
