chore: remove cross archx builds in docker workflow

Author: damiannolan

.github/workflows/docker.yml

@@ -1,8 +1,14 @@
 name: Build and Push Docker Image
 
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository_owner }}/hyperlane-init
+
 on:
   push:
     branches: [ main ]
+    tags:
+      - '*'
     paths:
       - '**/Dockerfile'
       - '.github/workflows/docker.yml'
@@ -20,26 +26,33 @@ jobs:
       - name: Checkout source
         uses: actions/checkout@v5
 
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
-        with:
-          install: true
 
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with:
-          registry: ghcr.io
+          registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and push Docker image
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=sha
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push
         uses: docker/build-push-action@v6
         with:
           context: .
           file: ./testnet/hyperlane/Dockerfile
+          platforms: linux/amd64
           push: true
-          platforms: linux/amd64,linux/arm64
-          tags: ghcr.io/${{ github.repository_owner }}/hyperlane-init:latest
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Makefile

@@ -95,7 +95,7 @@ spamoor:
 
 docker-build-hyperlane:
 	@echo "--> Building hyperlane-init image"
-	@docker build -t ghcr.io/celestiaorg/hyperlane-init:local -f testnet/hyperlane/Dockerfile .
+	@docker build --platform linux/amd64 -t ghcr.io/celestiaorg/hyperlane-init:local -f testnet/hyperlane/Dockerfile .
 .PHONY: docker-build-hyperlane
 
 deploy-ism: 

docker-compose.yml

@@ -136,7 +136,8 @@ services:
       - celestia-zkevm-net
 
   hyperlane-init:
-    image: ghcr.io/celestiaorg/hyperlane-init:local
+    image: ghcr.io/celestiaorg/hyperlane-init:main
+    platform: linux/amd64
     container_name: hyperlane-init
     volumes:
       - ./testnet/hyperlane:/home/hyperlane/