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Merge pull request #7455 from waldyrious/patch-2 

get-started/part2: clarify usage of -t/--tag
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Anne Henmi 2019-01-02 08:48:28 -07:00 committed by GitHub
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@ -147,17 +147,19 @@ you have.
## Build the app ## Build the app
We are ready to build the app. Make sure you are still at the top level of your new directory. Here's what `ls` should show: We are ready to build the app. Make sure you are still at the top level of your
new directory. Here's what `ls` should show:
```shell ```shell
$ ls $ ls
Dockerfile app.py requirements.txt Dockerfile app.py requirements.txt
``` ```
Now run the build command with the optional `-t` flag to [tag your image with a friendly name](/engine/reference/commandline/build/#tag-an-image--t), and `.` to [set your build context](/engine/reference/commandline/build/#build-with-path). Now run the build command. This creates a Docker image, which we're going to
name using the `--tag` option. Use `-t` if you want to use the a shorter option.
```shell ```shell
docker build -t friendlyhello . docker build --tag=friendlyhello .
``` ```
Where is your built image? It's in your machine's local Docker image registry: Where is your built image? It's in your machine's local Docker image registry:
@ -169,6 +171,11 @@ REPOSITORY TAG IMAGE ID
friendlyhello latest 326387cea398 friendlyhello latest 326387cea398
``` ```
Note how the tag defaulted to `latest`. The full syntax for the tag option would
be something like `--tag=friendlyhello:v0.0.1`.
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