task: added push to public.ecr (#9105)

Fixes #6530

.github/workflows/docker_publish.yaml

@@ -10,7 +10,7 @@ on:
     inputs:
       version:
         description: "Which version to release"
-        type: 'string'
+        type: "string"
         required: true
       is-latest-version:
         description: Is this the latest version? If latest we'll update the version docker
@@ -34,6 +34,17 @@ jobs:
       - name: Checkout
         if: ${{ inputs.version == '' }}
         uses: actions/checkout@v4
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          role-to-assume: arn:aws:iam::726824350591:role/unleash-github-ecr-public-publish-role
+          role-session-name: edge-actions-push-to-ecr-public
+          aws-region: us-east-1
+      - name: Login to AWS ECR
+        id: login-ecr-public
+        uses: aws-actions/amazon-ecr-login@v2
+        with:
+          registry-type: public
       - name: Setup QEmu so we can build multiplatform
         uses: docker/setup-qemu-action@v3
       - name: Setup Docker buildx
@@ -44,6 +55,7 @@ jobs:
         with:
           images: |
             unleashorg/unleash-server
+            public.ecr.aws/unleashorg/unleash-server
           flavor: latest=${{ github.event.inputs.is-latest-version || 'auto' }}
           tags: |
             # only enabled for workflow dispatch except main (assume its a release):