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ci: Build multi-platform image with cross-compilation
The previous build workflow used emulation to build the Docker image, which results in a somewhat complicated push-by-digest and merge workflow to create a multi-platform image. This commit changes the Docker build to use cross-compilation instead, resulting in a faster and more straightforward build. Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>
This commit is contained in:
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2 changed files with 29 additions and 84 deletions
83
.github/workflows/image.yml
vendored
83
.github/workflows/image.yml
vendored
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@ -3,6 +3,7 @@ name: Build Docker image
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on:
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release:
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types: [published]
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pull_request:
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permissions:
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packages: write
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@ -12,18 +13,8 @@ env:
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jobs:
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build:
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runs-on: ubuntu-latest
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strategy:
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fail-fast: false
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matrix:
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platform:
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- linux/amd64
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- linux/arm64
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steps:
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- name: Prepare
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run: |
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platform=${{ matrix.platform }}
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echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
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steps:
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- name: Checkout
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uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
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@ -33,9 +24,6 @@ jobs:
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with:
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images: ${{ env.REGISTRY_IMAGE }}
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- name: Set up QEMU
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uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v3.2.0
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
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@ -47,69 +35,14 @@ jobs:
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username: ${{ github.repository_owner }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Build and push by digest
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- name: Build and push
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id: build
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uses: docker/build-push-action@16ebe778df0e7752d2cfcbd924afdbbd89c1a755 # v6.6.1
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with:
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context: .
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push: ${{ startsWith(github.ref, 'refs/tags') }}
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platforms: ${{ matrix.platform }}
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provenance: mode=max
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sbom: true
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push: ${{ github.event_name != 'pull_request' }}
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platforms: linux/amd64,linux/arm64
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tags: ${{ steps.meta.outputs.tags }}
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labels: ${{ steps.meta.outputs.labels }}
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outputs: type=image,name=${{ env.REGISTRY_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 /tmp/digests
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digest="${{ steps.build.outputs.digest }}"
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touch "/tmp/digests/${digest#sha256:}"
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- name: Upload digest
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uses: actions/upload-artifact@834a144ee995460fba8ed112a2fc961b36a5ec5a # v4.3.6
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with:
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name: digests-${{ env.PLATFORM_PAIR }}
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path: /tmp/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@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
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with:
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path: /tmp/digests
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pattern: digests-*
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merge-multiple: true
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
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- name: Docker meta
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id: meta
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uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
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with:
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images: ${{ env.REGISTRY_IMAGE }}
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flavor: |
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latest=false
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- name: Login to GHCR
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uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
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with:
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registry: ghcr.io
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username: ${{ github.repository_owner }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Create manifest list and push
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if: ${{ startsWith(github.ref, 'refs/tags') }}
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working-directory: /tmp/digests
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run: |
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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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if: ${{ startsWith(github.ref, 'refs/tags') }}
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run: |
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docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
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30
Dockerfile
30
Dockerfile
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@ -2,11 +2,17 @@
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# Twitter: https://twitter.com/gohugoio
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# Website: https://gohugo.io/
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FROM golang:1.22.6-alpine AS build
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FROM --platform=$BUILDPLATFORM tonistiigi/xx:1.5.0 AS xx
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FROM --platform=$BUILDPLATFORM golang:1.22.6-alpine AS build
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# Set up cross-compilation helpers
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COPY --from=xx / /
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RUN apk add clang lld
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# Optionally set HUGO_BUILD_TAGS to "extended" or "nodeploy" when building like so:
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# docker build --build-arg HUGO_BUILD_TAGS=extended .
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ARG HUGO_BUILD_TAGS
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ARG HUGO_BUILD_TAGS="none"
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ARG CGO=1
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ENV CGO_ENABLED=${CGO}
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@ -15,20 +21,26 @@ ENV GO111MODULE=on
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WORKDIR /go/src/github.com/gohugoio/hugo
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COPY . /go/src/github.com/gohugoio/hugo/
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RUN --mount=src=go.mod,target=go.mod \
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--mount=src=go.sum,target=go.sum \
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--mount=type=cache,target=/go/pkg/mod \
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go mod download
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ARG TARGETPLATFORM
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# gcc/g++ are required to build SASS libraries for extended version
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RUN apk update && \
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apk add --no-cache gcc g++ musl-dev git && \
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go install github.com/magefile/mage
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RUN mage hugo && mage install
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RUN xx-apk add --no-scripts --no-cache gcc g++ musl-dev git
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RUN --mount=target=. \
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--mount=type=cache,target=/go/pkg/mod <<EOT
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set -ex
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xx-go build -tags "$HUGO_BUILD_TAGS" -o /usr/bin/hugo
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xx-verify /usr/bin/hugo
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EOT
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# ---
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FROM alpine:3.18
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COPY --from=build /go/bin/hugo /usr/bin/hugo
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COPY --from=build /usr/bin/hugo /usr/bin/hugo
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# libc6-compat & libstdc++ are required for extended SASS libraries
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# ca-certificates are required to fetch outside resources (like Twitter oEmbeds)
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