Add multi arch support for docker images

.github/workflows/pull_request.yml

@@ -1,7 +1,7 @@
 name: Pull Request
 
 on:
-  pull_request_target:
+  pull_request:
     branches:
       - 'master'
     paths-ignore:
@@ -32,23 +32,12 @@ jobs:
       with:
         go-version: ${{ env.GOLANG_VERSION }}
 
-    - name: Lint
-      uses: golangci/golangci-lint-action@v3
-      with:
-        version: v1.50.1
-        only-new-issues: false
-        args: --timeout 10m
-
     # Set up helm binary
     - name: Set up Helm
       uses: azure/setup-helm@v3
       with:
         version: ${{ env.HELM_VERSION }}
 
-    - name: Helm Lint
-      run: |
-        helm lint charts/ingressmonitorcontroller
-
     - name: Install kind
       uses: engineerd/[email protected]
       with:
@@ -67,9 +56,6 @@ jobs:
         mkdir -p .local
         echo "${{ secrets.SECRET_KUBERNETES_RESOURCES }}" | base64 --decode > .local/test-config.yaml
 
-    - name: Test
-      run: make test
-
     - name: Generate Tag
       id: generate_tag
       run: |
@@ -82,10 +68,6 @@ jobs:
 
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
-      with:
-        driver-opts: |
-            image=moby/buildkit:v0.9.3
-        buildkitd-flags: --debug
 
     - name: Login to Registry
       uses: docker/login-action@v2
@@ -104,7 +86,9 @@ jobs:
         file: ${{ env.DOCKER_FILE_PATH  }}
         pull: true
         push: true
+        build-args: BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
         cache-to: type=inline
+        platforms: linux/amd64,linux/arm,linux/arm64
         tags: |
           ${{ env.IMAGE_REPOSITORY }}:${{ steps.generate_tag.outputs.GIT_TAG }}
         labels: |

.github/workflows/push.yml

@@ -115,6 +115,7 @@ jobs:
         pull: true
         push: true
         cache-to: type=inline
+        platforms: linux/amd64,linux/arm,linux/arm64        
         tags: |
           ${{ env.IMAGE_REPOSITORY }}:${{ steps.generate_tag.outputs.new_tag }}
         labels: |

Dockerfile

@@ -1,5 +1,7 @@
 # Build the manager binary
-FROM golang:1.18 as builder
+ARG BUILDER_IMAGE
+ARG BASE_IMAGE
+FROM --platform=${BUILDPLATFORM} ${BUILDER_IMAGE:-golang:1.18} as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests
@@ -15,11 +17,13 @@ COPY api/ api/
 COPY pkg/ pkg/
 
 # Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -mod=mod -a -o manager main.go
+ARG TARGETARCH
+ARG TARGETOS
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} GO111MODULE=on go build -mod=mod -a -o manager main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details
-FROM gcr.io/distroless/static:nonroot
+FROM ${BASE_IMAGE:-gcr.io/distroless/static:nonroot}
 WORKDIR /
 COPY --from=builder /workspace/manager .
 USER 65532:65532