Earthfile

VERSION 0.6

all:
    BUILD \
        --platform=linux/amd64 \
        --platform=linux/arm64 \
        --platform=linux/arm/v7 \
        --platform=linux/arm/v6 \
        +docker

# This target definition will produce images for different platforms,
# depending on the --platform flag used in the call to BUILD.
#
# If you are using the Docker Desktop app (Mac and Windows), then you are ready
# to try this example immediately.
# On linux, you need to make sure that your system has QEMU set up. On Ubuntu you
# can run the following:
#
#     sudo apt-get install qemu binfmt-support qemu-user-static
#     docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
#     docker stop earthly-buildkitd || true
#
# Then try this example:
#
#     earthly +all
#     docker run --rm earthly/examples:multiplatform
#     docker run --rm earthly/examples:multiplatform_linux_amd64
#     docker run --rm earthly/examples:multiplatform_linux_arm64
#     docker run --rm earthly/examples:multiplatform_linux_arm_v7
#     docker run --rm earthly/examples:multiplatform_linux_arm_v6
#
docker:
    FROM alpine:3.15
    RUN uname -m
    CMD ["uname", "-m"]
    SAVE IMAGE --push earthly/examples:multiplatform