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devops / docker : Fix syntax and style (#22202)

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Robin
2018-11-18 11:29:50 +01:00
committed by Niraj Nandish
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guide/english/devops/docker/index.md
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@ -91,9 +91,14 @@ The Docker daemon is what actually executes commands sent to the Docker Client
### Dockerfile
A Dockerfile is where you write the instructions to build a Docker image. These instructions can be:
**RUN apt-get y install some-package**: to install a software package
**EXPOSE 8000**: to expose a port
**ENV ANT_HOME /usr/local/apache-ant** to pass an environment variable and so forth. Once you’ve got your Dockerfile set up, you can use the docker build command to build an image from it. Here’s an example of a Dockerfile:
* **RUN apt-get -y install some-package**: to install a software package
* **EXPOSE 8000**: to expose a port
* **ENV ANT_HOME /usr/local/apache-ant** to pass an environment variable and so forth.
Once you’ve got your Dockerfile set up, you can use the docker build command to build an image from it.
Here’s an example of a Dockerfile:
```
# Start with ubuntu 14.04