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.pic-30[![Docker Captain](img/docker-captain.png)]
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]

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---

name: dockerfile
template: inverse

# Dockerfile

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# Dockerfile

- Recipe for creating a docker image
- Every step builds off the previous state
  - Set/change metadata
  - Add a filesystem layer

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# Dockerfile

- Comments begin the line with a `#`
- Lines may be continued by appending a `\`
- Each step begins with a keyword

---

# Dockerfile

- `FROM 