Difference between revisions of "Dockerfile"

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Dockerfile is a text file where you define instructions used to create your Docker images, check official Dockerfile Reference documentation: https://docs.docker.com/engine/reference/builder/<ref>https://en.wikiversity.org/wiki/DevOps/Docker/Dockerfile</ref>
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<code>Dockerfile</code> is a text file where you define instructions used to create your Docker images, check official Dockerfile Reference documentation: https://docs.docker.com/engine/reference/builder/<ref>https://en.wikiversity.org/wiki/DevOps/Docker/Dockerfile</ref>
  
 
For creating this file with instructions usually called Dockerfile you can use the following keywords<ref>https://kapeli.com/cheat_sheets/Dockerfile.docset/Contents/Resources/Documents/index</ref>:
 
For creating this file with instructions usually called Dockerfile you can use the following keywords<ref>https://kapeli.com/cheat_sheets/Dockerfile.docset/Contents/Resources/Documents/index</ref>:
* ADD
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* <code>[[ADD]]</code>
* ARG
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* <code>[[ARG]]</code>
* CMD, for executing containers. https://docs.docker.com/engine/reference/builder/#cmd
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* <code>[[CMD]]</code> for executing containers. https://docs.docker.com/engine/reference/builder/#cmd
* COPY
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* <code>[[COPY]]</code>
* ENTRYPOINT: https://docs.docker.com/engine/reference/builder/#entrypoint
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* <code>[[ENTRYPOINT]]</code>: https://docs.docker.com/engine/reference/builder/#entrypoint
* ENV
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* <code>[[ENV]]</code>
* EXPOSE
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* <code>[[EXPOSE]]</code>
* FROM https://docs.docker.com/engine/reference/builder/#from                                     
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* <code>[[FROM]]</code> https://docs.docker.com/engine/reference/builder/#from                                     
 
* [[HEALTHCHECK]] https://docs.docker.com/engine/reference/builder/#healthcheck (>= [[Docker 1.12]])
 
* [[HEALTHCHECK]] https://docs.docker.com/engine/reference/builder/#healthcheck (>= [[Docker 1.12]])
 
* LABEL
 
* LABEL
 
* ONBUILD
 
* ONBUILD
* RUN: https://docs.docker.com/engine/reference/builder/#run
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* <code>[[RUN]]:</code> https://docs.docker.com/engine/reference/builder/#run
 
* SHELL
 
* SHELL
 
* STOPSIGNAL
 
* STOPSIGNAL
* USER
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* <code>[[USER]]</code>:</code> https://docs.docker.com/engine/reference/builder/#user
* VOLUME
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* [[VOLUME]],  creates a [[mount point]]
 
* WORKDIR
 
* WORKDIR
  
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# Read Understand how CMD and ENTRYPOINT interact https://docs.docker.com/engine/reference/builder/#understand-how-cmd-and-entrypoint-interact
 
# Read Understand how CMD and ENTRYPOINT interact https://docs.docker.com/engine/reference/builder/#understand-how-cmd-and-entrypoint-interact
 
# Learn about [[start configuration behavior and restart policy]]
 
# Learn about [[start configuration behavior and restart policy]]
# Learn about <code>.[[dockerignore]]</code> file
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# Learn how to use <code>.[[dockerignore]]</code> file
 
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# Read <code>Dockerfile</code> best practices https://docs.docker.com/develop/develop-images/dockerfile_best-practices/
  
 
== Related terms ==
 
== Related terms ==
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* [[Dockerfile examples]]
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* <code>[[docker build]]</code>
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* <code>[[docker-compose build]]</code>, <code>[[image]]:, [[build:]], [[dockerfile:]], [[args:]]</code>
 
* [[Docker Engine release notes]]
 
* [[Docker Engine release notes]]
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* [[BuildKit]]  Dockerfile-agnostic builder toolkit
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* <code>[[docker start]]</code>, <code>[[docker run]]</code>
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* [[Buildpack]]
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* <code>[[.dockerignore]]</code>
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* <code>[[Makefile]]</code>
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* [[Caddyfile]]
  
 
== See also ==
 
== See also ==
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* {{Dockerfile}}
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* {{docker build}}
 
* {{docker-compose}}
 
* {{docker-compose}}
*{{Docker}}
 
  
[[Category:Cloud computing]]
 
[[Category:Software development]]
 
[[Category:Server administration]]
 
 
[[Category:Docker]]
 
[[Category:Docker]]

Latest revision as of 17:41, 22 February 2024

Dockerfile is a text file where you define instructions used to create your Docker images, check official Dockerfile Reference documentation: https://docs.docker.com/engine/reference/builder/[1]

For creating this file with instructions usually called Dockerfile you can use the following keywords[2]:

Activities[edit]

  1. Learn differences between RUN and CMD or ENTRYPOINT: https://stackoverflow.com/a/25150809
  2. Read Understand how CMD and ENTRYPOINT interact https://docs.docker.com/engine/reference/builder/#understand-how-cmd-and-entrypoint-interact
  3. Learn about start configuration behavior and restart policy
  4. Learn how to use .dockerignore file
  5. Read Dockerfile best practices https://docs.docker.com/develop/develop-images/dockerfile_best-practices/

Related terms[edit]

See also[edit]

  • https://en.wikiversity.org/wiki/DevOps/Docker/Dockerfile
  • https://kapeli.com/cheat_sheets/Dockerfile.docset/Contents/Resources/Documents/index
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