[Bug]: dockerConfigFile property file not used

Module

Core

Testcontainers version

1.19.8

Using the latest Testcontainers version?

Yes

Host OS

Windows

Host Arch

x86

Docker version

podman

What happened?

When trying to configure authentication, it seems that the documentation is misleading:

It says:

Use DOCKER_CONFIG_FILE environment variable.
export DOCKER_CONFIG_FILE=/some/location/config.json
Use dockerConfigFile java property
java -DdockerConfigFile=/some/location/config.json

here: https://java.testcontainers.org/modules/docker_compose/#using-private-repositories-in-docker-compose

But: dockerConfigFile is not used.
and it looks like you should not use DOCKER_CONFIG_FILE, but DOCKER_AUTH_CONFIG instead.

Not having the ability to use a system property is annoyng, since it makes it diffucult to configure docker authentication with java code directly.

That's what I infer from: https://github.com/testcontainers/testcontainers-java/blob/main/core/src/main/java/org/testcontainers/utility/RegistryAuthLocator.java and from my tests.

Relevant log output

Additional Information

No response

Inizia da core/src/main/java/org/testcontainers/utility/RegistryAuthLocator.java e confronta la gestione della configurazione con la documentazione di Docker Compose nella pagina indicata. Determina perché dockerConfigFile non viene utilizzato, quindi verifica che le opzioni di configurazione documentate, inclusa la configurazione tramite proprietà di sistema Java, funzionino in modo coerente per l’autenticazione Docker.