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docs: update examples to Node.js 22 and modernize Docker Compose syntax #2243

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0044209
docs: update nodejs versions to 22 in README.md
mertssmnoglu May 30, 2025
d9df67d
docs: update Docker Compose example to use Node.js 22
mertssmnoglu Jul 24, 2025
daa7563
docs: update Docker Compose configuration to specify user and working…
mertssmnoglu Aug 13, 2025
3596da2
fix: keep double quotes as is
mertssmnoglu Aug 13, 2025
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13 changes: 5 additions & 8 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ See: http://nodejs.org

```dockerfile
# specify the node base image with your desired version node:<version>
FROM node:16
FROM node:22
# replace this with your application's default port
EXPOSE 8888
```
Expand All @@ -67,21 +67,18 @@ $ docker run -it --rm --name my-running-app my-nodejs-app
If you prefer Docker Compose:

```yml
version: "2"
services:
node:
image: "node:8"
image: "node:22"
user: "node"
working_dir: /home/node/app
environment:
- NODE_ENV=production
volumes:
- ./:/home/node/app
expose:
- "8081"
ports: # use if it is necessary to expose the container to the host machine
- "8001:8001"
command: "npm start"
- "8888:8888"
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One last question: is there any reference information here that can help us confirm whether changing from port 8001 to 8888 is a better, more widely used, and more modern approach? Thanks!

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My only intention was to clear up the confusion between 8081 and 8001. I prefer 8888 because it's easier to type.

SpeedGuide.net has a port usage list that may help you make a decision.

https://www.speedguide.net/port.php?port=PORT

command: ["npm", "start"]
```

You can then run using Docker Compose:
Expand All @@ -105,7 +102,7 @@ complete `Dockerfile`. In such cases, you can run a Node.js script by using the
Node.js Docker image directly:

```console
$ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/app -w /usr/src/app node:8 node your-daemon-or-script.js
$ docker run -it --rm --name my-running-script -v "$PWD":/usr/src/app -w /usr/src/app node:22 node your-daemon-or-script.js
```

### Verbosity
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