Without ffmpeg
docker build --platform linux/amd64,linux/arm64,linux/arm/v7 -t thetonio96/wildfly:my-tag --push -f Dockerfile .
With ffmpeg
docker build --platform linux/amd64,linux/arm64,linux/arm/v7 -t thetonio96/wildfly:ffmpeg-my-tag --push -f Dockerfile-ffmpeg .