feat: add docker build workflow for p2p bootnode

.github/workflows/p2p_node_docker_build copy.yml

@@ -0,0 +1,102 @@
+name: "[Nethermind] Catalyst P2P Node - Docker build and push"
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [master]
+    tags:
+      - "catalyst-p2p-node-v*"
+    paths:
+      - "tools/p2p_node/**"
+
+env:
+  DOCKER_REGISTRY: docker.io
+  DOCKER_IMAGE_NAME: preconf-p2p-node
+  DOCKER_REPOSITORY: nethermind
+
+jobs:
+  build:
+    name: Build and push temporary docker image
+    runs-on: ${{ matrix.os }}
+    if: github.repository == 'NethermindEth/Catalyst'
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            platform: linux/amd64
+          - os: ubuntu-24.04-arm
+            platform: linux/arm64
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_REPOSITORY }}/${{ env.DOCKER_IMAGE_NAME }}
+          tags: type=raw,value=temp-${{ matrix.os }}
+
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v5
+        with:
+          platforms: linux/amd64,linux/arm64
+          context: ./tools/p2p_node
+          file: ./tools/p2p_node/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  merge:
+    name: Merge and push docker image
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - uses: docker/login-action@v3
+        with:
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_PASSWORD }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_REPOSITORY }}/${{ env.DOCKER_IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+            type=ref,event=branch
+            type=ref,event=pr
+            type=ref,event=tag
+            type=sha
+
+      - name: Create manifest list and push
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_REPOSITORY }}/${{ env.DOCKER_IMAGE_NAME }}:temp-ubuntu-latest \
+            ${{ env.DOCKER_REGISTRY }}/${{ env.DOCKER_REPOSITORY }}/${{ env.DOCKER_IMAGE_NAME }}:temp-ubuntu-24.04-arm
+
+      - name: Summary
+        run: |
+          echo "## Docker build completed :green_circle:" >> $GITHUB_STEP_SUMMARY
+          echo "### Tags" >> $GITHUB_STEP_SUMMARY
+          echo "${{ steps.meta.outputs.tags }}" | while IFS= read -r TAG; do
+            echo "- $TAG" >> $GITHUB_STEP_SUMMARY
+          done