cross-build-dockerfile-with-args

cross-build-dockerfile-with-args

$ cat <<EOF >> Dockerfile
FROM alpine
ARG TARGETPLATFORM
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT

ARG BUILDPLATFORM
ARG BUILDOS
ARG BUILDARCH
ARG BUILDVARIANT

RUN echo "Image target platform details :: "
RUN echo "TARGETPLATFORM    : $TARGETPLATFORM"
RUN echo "TARGETOS          : $TARGETOS"
RUN echo "TARGETARCH        : $TARGETARCH"
RUN echo "TARGETVARIANT     : $TARGETVARIANT"

RUN echo "Image build platform details :: "
RUN echo "BUILDPLATFORM     : $BUILDPLATFORM"
RUN echo "BUILDOS           : $BUILDOS"
RUN echo "BUILDARCH         : $BUILDARCH"
RUN echo "BUILDVARIANT      : $BUILDVARIANT"
EOF

$ docker buildx create --name my-new-builder --driver docker-container --use
$ docker buildx inspect --bootstrap
$ docker buildx build --platform=linux/amd64,linux/arm64,linux/s390x --push -t <dockerhub_id>/my-image:latest .