docker
/
docs
mirror of https://github.com/docker/docs.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #20148 from dvdksn/fix-get-started-yarn-install 

get-started: add .dockerignore earlier in guide
This commit is contained in:
David Karlsson 2024-06-05 17:55:22 +02:00 committed by GitHub
parent df125517d3 35ec23f80d
commit ca989b6fe6
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 4 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
content/get-started/02_our_app.md
View File

@ -33,6 +33,7 @@ Before you can run the application, you need to get the application source code
```text
├── getting-started-app/
│ ├── .dockerignore
│ ├── package.json
│ ├── README.md
│ ├── spec/

19
content/get-started/09_image_best.md
View File

@ -84,19 +84,7 @@ dependencies if there was a change to the `package.json`.
CMD ["node", "src/index.js"]
```
2. Create a file named `.dockerignore` in the same folder as the Dockerfile with the following contents.
```ignore
node_modules
```
`.dockerignore` files are an easy way to selectively copy only image relevant files.
You can read more about this
[here](../build/building/context.md#dockerignore-files).
In this case, the `node_modules` folder should be omitted in the second `COPY` step because otherwise,
it would possibly overwrite files which were created by the command in the `RUN` step.
3. Build a new image using `docker build`.
2. Build a new image using `docker build`.
```console
$ docker build -t getting-started .
@ -124,9 +112,9 @@ dependencies if there was a change to the `package.json`.
=> => naming to docker.io/library/getting-started
```
4. Now, make a change to the `src/static/index.html` file. For example, change the `<title>` to "The Awesome Todo App".
3. Now, make a change to the `src/static/index.html` file. For example, change the `<title>` to "The Awesome Todo App".
5. Build the Docker image now using `docker build -t getting-started .` again. This time, your output should look a little different.
4. Build the Docker image now using `docker build -t getting-started .` again. This time, your output should look a little different.
```plaintext
[+] Building 1.2s (10/10) FINISHED
@ -209,7 +197,6 @@ into an nginx container.
In this section, you learned a few image building best practices, including layer caching and multi-stage builds.
Related information:
- [.dockerignore](../build/building/context.md#dockerignore-files)
- [Dockerfile reference](../reference/dockerfile.md)
- [Build with Docker guide](../build/guide/index.md)
- [Dockerfile best practices](../develop/develop-images/dockerfile_best-practices.md)