feat: add ARM docker image build (#45)

* style: as -> AS in Dockerfile

* feat: add TARGETARCH for go build

* feat: use Github action for docker image build

* chore: add default TARGETARCH=amd64 for Makefile

.github/workflows/release-container-image.yaml

@@ -4,32 +4,45 @@ on:
  workflow_dispatch: {}
  push:
  tags:
- - v*
+  - v*
 
 jobs:
  build:
  permissions:
  packages: write
  runs-on: ubuntu-latest
  steps:
- - name: "Extract Version"
- id: extract_version
- run: |
- GIT_TAG=${GITHUB_REF##*/}
- VERSION=${GIT_TAG##v}
- echo "::set-output name=version::$(echo $VERSION)"
- - uses: actions/checkout@v2
- - name: Log in to GitHub Docker Registry
- uses: docker/login-action@v1
- with:
- registry: ghcr.io
- username: ${{ github.actor }}
- password: ${{ secrets.GITHUB_TOKEN }}
- - name: Build the Docker image
- run: make image
- - name: Push docker image to ghcr.io
- env:
- VERSION: ${{ steps.extract_version.outputs.version }}
- run: | 
- docker tag ghcr.io/strrl/cloudflare-tunnel-ingress-controller:latest ghcr.io/strrl/cloudflare-tunnel-ingress-controller:$VERSION
- docker push ghcr.io/strrl/cloudflare-tunnel-ingress-controller:$VERSION
+ - uses: actions/checkout@v2
+ - name: Docker meta
+ id: meta
+ uses: docker/metadata-action@v3
+ with:
+ # list of Docker images to use as base name for tags
+ images: |
+ ghcr.io/${{ github.repository_owner }}/cloudflare-tunnel-ingress-controller
+ # generate Docker tags based on the following events/attributes
+ tags: |
+ type=ref,event=branch
+ type=ref,event=pr
+ type=semver,pattern={{version}}
+ type=semver,pattern={{major}}.{{minor}}
+ type=semver,pattern={{major}}
+ type=sha
+ - name: Set up QEMU
+ uses: docker/setup-qemu-action@v1
+ - name: Set up Docker Buildx
+ uses: docker/setup-buildx-action@v1
+ - name: Log in to GitHub Docker Registry
+ uses: docker/login-action@v1
+ with:
+ registry: ghcr.io
+ username: ${{ github.repository_owner }}
+ password: ${{ secrets.GITHUB_TOKEN }}
+ - name: Build and push
+ uses: docker/build-push-action@v2
+ with:
+ file: image/cloudflare-tunnel-ingress-controller/Dockerfile
+ platforms: linux/amd64,linux/arm,linux/arm64
+ push: ${{ github.event_name != 'pull_request' }}
+ tags: ${{ steps.meta.outputs.tags }}
+ labels: ${{ steps.meta.outputs.labels }}

Makefile

@@ -4,7 +4,7 @@ dev:
 
 .PHONY: image
 image:
- DOCKER_BUILDKIT=1 docker build -t ghcr.io/strrl/cloudflare-tunnel-ingress-controller -f ./image/cloudflare-tunnel-ingress-controller/Dockerfile . 
+ DOCKER_BUILDKIT=1 TARGETARCH=amd64 docker build -t ghcr.io/strrl/cloudflare-tunnel-ingress-controller -f ./image/cloudflare-tunnel-ingress-controller/Dockerfile . 
 
 .PHONY: unit-test
 unit-test:

image/cloudflare-tunnel-ingress-controller/Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.20 as builder
+FROM golang:1.20 AS builder
 
 WORKDIR /workspace
 
@@ -10,7 +10,7 @@ RUN go mod download && go mod verify
 # Build
 COPY . .
 RUN --mount=type=cache,target=/go \
- CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on \
+ CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH GO111MODULE=on \
  go build -o cloudflare-tunnel-ingress-controller ./cmd/cloudflare-tunnel-ingress-controller
 
 # Use distroless as minimal base image to package the manager binary