Add multiarch output (#9)

* Add multiarch output

* define args

* update alpine to 3.20, linting to 1.58.2

.github/workflows/build.yaml

@@ -26,26 +26,28 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Log in to the Container registry
-        uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
+        uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
+        uses: docker/setup-buildx-action@v3
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.1.1
+        uses: docker/metadata-action@v5
         with:
           images: "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@2cdde995de11925a030ce8070c3d77a52ffcf1c0 # v5.3.0
+        uses: docker/build-push-action@v5
         with:
           context: .
           push: true
+          platforms: |
+            linux/amd64
+            linux/arm64
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-

.github/workflows/pr.yml

@@ -18,7 +18,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v4
         with:
-          version: v1.55.2
+          version: v1.58.2
 
   test:
     name: Unit Test
@@ -41,7 +41,7 @@ jobs:
         uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - uses: azure/setup-helm@b7246b12e77f7134dc2d460a3d5bad15bbe29390 # v4.1.0
+      - uses: azure/setup-helm@v4
 
       - name: Helm Lint
         run: helm lint charts/radix-oauth-guard

Dockerfile

@@ -1,9 +1,7 @@
-FROM golang:1.22-alpine3.19 as builder
-
-RUN apk update && \
-    apk add bash jq alpine-sdk sed gawk git ca-certificates curl && \
-    apk add --no-cache gcc musl-dev
-
+FROM --platform=$BUILDPLATFORM golang:1.22-alpine3.20 as builder
+# Define target arch variables so we can use them while crosscompiling, will be set automatically
+ARG TARGETOS
+ARG TARGETARCH
 WORKDIR /go/src/
 
 # get dependencies
@@ -14,15 +12,12 @@ RUN go mod download
 COPY . .
 
 # Build project
-RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-s -w" -a -installsuffix cgo -o /radix-oauth-guard
+RUN GOOS=$TARGETOS GOARCH=$TARGETARCH CGO_ENABLED=0 go build -ldflags "-s -w" -a -installsuffix cgo -o /radix-oauth-guard
 
-RUN addgroup -S -g 1000 guard
-RUN adduser -S -u 1000 -G guard guard
 
-FROM scratch
+FROM --platform=$TARGETPLATFORM scratch
 
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
-COPY --from=builder /etc/passwd /etc/passwd
 COPY --from=builder /radix-oauth-guard /radix-oauth-guard
 
 EXPOSE 8000

Makefile

@@ -25,5 +25,5 @@ HAS_GOLANGCI_LINT := $(shell command -v golangci-lint;)
 
 bootstrap:
 ifndef HAS_GOLANGCI_LINT
-	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.55.2
+	go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.58.2
 endif

charts/radix-oauth-guard/Chart.yaml

@@ -2,8 +2,8 @@ apiVersion: v2
 name: radix-oauth-guard
 icon: https://radix.equinor.com/images/logos/logo.svg
 description: Forward Auth to validate, authenticate and authorize JWT tokens
-appVersion: 0.4.0
-version: 0.4.0
+appVersion: 0.5.0
+version: 0.5.0
 kubeVersion: ">=1.24.0"
 keywords:
   - radix