Dabbling in Docker - Speaker Deck

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Dabbling in Docker Aidan Feldman January 25, 2016

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Dabbling in Docker Agenda 1 What Docker does 2 Why it’s useful 3 How to use it 4 Challenges

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Dabbling in Docker Agenda 1 What Docker does 2 Why it’s useful 3 How to use it 4 Challenges

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kinda like Vagrant/AMIs 4

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How it works code 5 docker build Dockerfile image docker run container

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Dabbling in Docker Agenda 1 What Docker does 2 Why it’s useful 3 How to use it 4 Challenges

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why it’s useful • specific dependency versions • sandboxing…without a full VM per app • dev-prod parity • “works on my machine” • complex architectures 7

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Dabbling in Docker Agenda 1 What Docker does 2 Why it’s useful 3 How to use it 4 Challenges

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How it works code 9 docker build Dockerfile image docker run container

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Dockerfiles FROM COPY ENV WORKDIR RUN EXPOSE CMD 10

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Building 1. Open Docker Quickstart Terminal 1. `docker-machine ls` 2. `cd ` 3. `docker build -t .` 4. `docker images` 11

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Running • `docker run -p : ` • `docker-machine ip default` • `docker ps` 12

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Examples • JSONP • Node onbuild • Node • C2 (pull request) 13

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Multiple components • apps • databases • queues • microservices 14

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JSONProxy example 15

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Dabbling in Docker Agenda 1 What Docker does 2 Why it’s useful 3 How to use it 4 Challenges

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Challenges • Development workflow • Compose not production-ready yet • Another Thing • Persistence • Secrets 17

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Thanks! Aidan Feldman