#!/bin/sh
set -e
# Source: https://danmanners.com/posts/2022-01-buildah-multi-arch/

# Set your manifest name
export MANIFEST_NAME="ucast"

# Set the required variables
export BUILD_PATH="."
export DOCKERFILE="deploy/Dockerfile"
export REGISTRY="registry.hub.docker.com"
export USER="thetadev256"
export IMAGE_NAME="ucast"
export IMAGE_TAG="v0.3.2"

# Create a multi-architecture manifest
buildah manifest create ${MANIFEST_NAME}

# Build your amd64 architecture container
buildah bud \
    --tag "${REGISTRY}/${USER}/${IMAGE_NAME}:${IMAGE_TAG}" \
    --manifest ${MANIFEST_NAME} \
    --arch amd64 \
    --build-arg TARGETPLATFORM=linux/amd64 \
    -f ${DOCKERFILE} \
    ${BUILD_PATH}

# Build your arm64 architecture container
buildah bud \
    --tag "${REGISTRY}/${USER}/${IMAGE_NAME}:${IMAGE_TAG}" \
    --manifest ${MANIFEST_NAME} \
    --arch arm64 \
    --build-arg TARGETPLATFORM=linux/arm64 \
    -f ${DOCKERFILE} \
    ${BUILD_PATH}

# Push the full manifest, with both CPU Architectures
buildah manifest push --all \
    ${MANIFEST_NAME} \
    "docker://${REGISTRY}/${USER}/${IMAGE_NAME}:${IMAGE_TAG}"

buildah manifest push --all \
    ${MANIFEST_NAME} \
    "docker://${REGISTRY}/${USER}/${IMAGE_NAME}"