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---
name: docker
description: Conventions for docker
---
## 1. Update eclipse temurin image usages to the latest java version.
### Example 1:
If the latest java version is `25`and there is an image being used like:
```dockerfile
FROM eclipse-temurin:21-alpine
```
Then it should be updated to:
```dockerfile
FROM eclipse-temurin:25-alpine
```
### Example 2:
This example is only valid for CircleCI configuration files located in `.circleci/config.yml`.
Replace this:
```yml
docker:
- image: eclipse-temurin:21-alpine
```
with:
```yml
docker:
- image: eclipse-temurin:25-alpine
```
## 2. Do not use `docker-compose`
The usage of `docker-compose` has been deprecated and in some cases it doesn't work anymore.
Please replace `docker-compose` with `docker compose` everywhere, namely in `bash` scripts, `Makefile` and `Makefile.mk` files, `.md` files, all kinds of Markdown files, and other files you may find it.
Leave all binary files untouched.
## 3. Checklist
[] No Dockerfile should use older Java version images
[] No Testcontainers code should use older Java version images
