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multi-arch docker builder (#3138)
* multi arch docker image builder with extensible platform support * replace vars to secrets * update dockerfile * fix: lint
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‎.github/workflows/nimbus_docker_build.yml‎

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# Nimbus
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# Copyright (c) 2025 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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name: Build Docker Images
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on:
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push:
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branches:
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- 'master'
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paths-ignore:
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- 'fluffy/**'
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- '**/*.md'
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- '.github/workflows/fluffy*.yml'
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- 'nimbus_verified_proxy/**'
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- '.github/workflows/nimbus_verified_proxy.yml'
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workflow_dispatch:
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env:
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REGISTRY_IMAGE: ${{ secrets.DOCKERHUB_USERNAME }}/nimbus-eth1
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jobs:
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build:
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strategy:
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fail-fast: false
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matrix:
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target:
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- os: linux
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cpu: amd64
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- os: linux
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cpu: arm64
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include:
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- target:
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cpu: amd64
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builder: ubuntu-latest
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- target:
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cpu: arm64
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builder: ubuntu-24.04-arm
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name: '${{ matrix.target.os }}-${{ matrix.target.cpu }}'
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runs-on: ${{ matrix.builder }}
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steps:
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- name: Prepare
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run: |
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platform=${{ matrix.target.os }}/${{ matrix.target.cpu }}
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# Replace '/' with '-' to create a unique identifier for this platform
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echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.REGISTRY_IMAGE }}
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- name: Checkout Repository
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uses: actions/checkout@v4
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- name: Login to Docker Hub
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uses: docker/login-action@v3
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Build and push by digest
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id: build
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uses: docker/build-push-action@v6
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with:
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context: .
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platforms: ${{ matrix.platform }}
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labels: ${{ steps.meta.outputs.labels }}
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tags: ${{ env.REGISTRY_IMAGE }}
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outputs: type=image,push-by-digest=true,name-canonical=true,push=true
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- name: Export digest
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run: |
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mkdir -p ${{ runner.temp }}/digests
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digest="${{ steps.build.outputs.digest }}"
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touch "${{ runner.temp }}/digests/${digest#sha256:}"
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- name: Upload digest
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uses: actions/upload-artifact@v4
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with:
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name: digests-${{ env.PLATFORM_PAIR }}
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path: ${{ runner.temp }}/digests/*
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if-no-files-found: error
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retention-days: 1
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merge:
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runs-on: ubuntu-latest
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needs:
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- build
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steps:
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- name: Download digests
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uses: actions/download-artifact@v4
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with:
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path: ${{ runner.temp }}/digests
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pattern: digests-*
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merge-multiple: true
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- name: Login to Docker Hub
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uses: docker/login-action@v3
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with:
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username: ${{ secrets.DOCKERHUB_USERNAME }}
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password: ${{ secrets.DOCKERHUB_TOKEN }}
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.REGISTRY_IMAGE }}
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tags: |
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type=ref,event=branch
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type=sha,prefix={{branch}}-
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- name: Create manifest list and push
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working-directory: ${{ runner.temp }}/digests
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run: |
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jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON"
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docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
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$(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
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- name: Inspect image
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run: |
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docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}

‎Dockerfile‎

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# Nimbus
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# Copyright (c) 2024 Status Research & Development GmbH
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# Copyright (c) 2024-2025 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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RUN apt-get clean && apt update \
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&& apt -y install curl build-essential git-lfs librocksdb-dev
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RUN ldd --version ldd
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RUN ldd --version
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ADD . /root/nimbus-eth1
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RUN cd /root/nimbus-eth1 \
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&& make -j$(nproc) update-from-ci \
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&& make -j$(nproc) V=1 LOG_LEVEL=TRACE nimbus
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&& make -j$(nproc) V=1 nimbus
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# --------------------------------- #
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# Starting new image to reduce size #
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&& apt -y install build-essential librocksdb-dev
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RUN apt update && apt -y upgrade
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RUN ldd --version ldd
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RUN ldd --version
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RUN rm -f /home/user/nimbus-eth1/build/nimbus_execution_client
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