Fix docker image push (#1571)

Author: ceyonur

.github/workflows/publish_docker.yml

@@ -32,10 +32,14 @@ jobs:
       - uses: actions/checkout@v4
       - uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 #v3.6.0
       - uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 #v3.10.0
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: "go.mod"
       - name: Build and publish images to DockerHub
         env:
           DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
           DOCKER_PASS: ${{ secrets.DOCKER_PASS }}
+          IMAGE_NAME: "avaplatform/subnet-evm_avalanchego"
           VM_ID: ${{ inputs.vm_id }}
           PUBLISH: 1
           PLATFORMS: "linux/amd64,linux/arm64"

scripts/build_docker_image.sh

@@ -50,7 +50,7 @@ if [[ -n "${PLATFORMS}" ]]; then
   DOCKER_CMD="${DOCKER_CMD} --platform=${PLATFORMS}"
   if [[ "$PLATFORMS" == *,* ]]; then ## Multi-arch
     if [[ "${IMAGE_NAME}" != *"/"* ]]; then
-      echo "ERROR: Multi-arch images must be pushed to a registry."
+      echo "ERROR: Multi-arch images (multi-platform) must be pushed to a registry."
       exit 1
     fi
     ispush=1