Update 02_our_app.md

node:12-alpine -> node:18-alpine
This commit is contained in:
xd 2022-11-30 09:38:53 +08:00 committed by GitHub
parent 42142d3ab6
commit b40a8effd4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions

View File

@ -101,7 +101,7 @@ In order to build the [container image](../get-started/overview.md/#docker-objec
$ docker build -t getting-started .
```
The `docker build` command uses the Dockerfile to build a new container image. You might have noticed that Docker downloaded a lot of "layers". This is because you instructed the builder that you wanted to start from the `node:12-alpine` image. But, since you didn't have that on your machine, Docker needed to download the image.
The `docker build` command uses the Dockerfile to build a new container image. You might have noticed that Docker downloaded a lot of "layers". This is because you instructed the builder that you wanted to start from the `node:18-alpine` image. But, since you didn't have that on your machine, Docker needed to download the image.
After Docker downloaded the image, the instructions from the Dockerfile copied in your application and used `yarn` to install your application's dependencies. The `CMD` directive specifies the default command to run when starting a container from this image.
@ -143,4 +143,4 @@ In this short section, you learned the basics about creating a Dockerfile to bui
Next, you're going to make a modification to your app and learn how to update your running application with a new image. Along the way, you'll learn a few other useful commands.
[Update the application](03_updating_app.md){: .button .primary-btn}
[Update the application](03_updating_app.md){: .button .primary-btn}