feat: add multi arch build using goreleaser

.github/workflows/release-image.yaml

@@ -0,0 +1,34 @@
+name: release container image
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  gorelease:
+    name: build and push metrics-client
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+      - name: Login to Github Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: "ghcr.io"
+          username: ${{ github.actor }}
+          password: ${{ secrets.TOKEN }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Release container image to Github
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.TOKEN }}

.github/workflows/test-goreleaser.yaml

@@ -0,0 +1,31 @@
+name: Testing
+on:
+  pull_request:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test-app:
+    name: Test Application
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+      - name: Test application
+        run: go test ./...
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Dry-run goreleaser application
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser
+          version: ~> v2
+          args: release --snapshot --skip=publish --clean

.goreleaser.yaml

@@ -0,0 +1,62 @@
+version: 2
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+        - linux
+    goarch:
+        - amd64
+        - arm
+        - arm64
+    tags:
+      - netgo
+    flags:
+      - -trimpath
+    ldflags:
+      - -s -w -extldflags "-static"
+
+dockers:
+  - image_templates:
+      - "ghcr.io/kubefirst/metrics-client:{{ .Tag }}-amd64"
+    goos: linux
+    goarch: amd64
+    use: buildx
+    build_flag_templates:
+      - "--platform=linux/amd64"
+      - "--label=org.opencontainers.image.title={{ .ProjectName }}"
+      - "--label=org.opencontainers.image.description={{ .ProjectName }} version {{ .Version }}. See release notes at https://github.com/kubefirst/{{ .ProjectName }}/releases/tag/v{{ .RawVersion }}"
+      - "--label=org.opencontainers.image.url=https://github.com/kubefirst/{{ .ProjectName }}"
+      - "--label=org.opencontainers.image.source=https://github.com/kubefirst/{{ .ProjectName }}"
+      - "--label=org.opencontainers.image.version={{ .Version }}"
+      - '--label=org.opencontainers.image.created={{ time "2006-01-02T15:04:05Z07:00" }}'
+      - "--label=org.opencontainers.image.revision={{ .FullCommit }}"
+
+  - image_templates:
+      - "ghcr.io/kubefirst/metrics-client:{{ .Tag }}-arm64"
+    goos: linux
+    goarch: arm64
+    use: buildx
+    build_flag_templates:
+      - "--platform=linux/arm64"
+      - "--label=org.opencontainers.image.title={{ .ProjectName }}"
+      - "--label=org.opencontainers.image.description={{ .ProjectName }} version {{ .Version }}. See release notes at https://github.com/kubefirst/{{ .ProjectName }}/releases/tag/v{{ .RawVersion }}"
+      - "--label=org.opencontainers.image.url=https://github.com/kubefirst/{{ .ProjectName }}"
+      - "--label=org.opencontainers.image.source=https://github.com/kubefirst/{{ .ProjectName }}"
+      - "--label=org.opencontainers.image.version={{ .Version }}"
+      - '--label=org.opencontainers.image.created={{ time "2006-01-02T15:04:05Z07:00" }}'
+      - "--label=org.opencontainers.image.revision={{ .FullCommit }}"
+
+docker_manifests:
+  - name_template: "ghcr.io/kubefirst/metrics-client:v{{ .RawVersion }}"
+    image_templates:
+      - "ghcr.io/kubefirst/metrics-client:{{ .Tag }}-amd64"
+      - "ghcr.io/kubefirst/metrics-client:{{ .Tag }}-arm64"
+  - name_template: "ghcr.io/kubefirst/metrics-client:v{{ .Major }}"
+    image_templates:
+      - "ghcr.io/kubefirst/metrics-client:{{ .Tag }}-amd64"
+      - "ghcr.io/kubefirst/metrics-client:{{ .Tag }}-arm64"
+  - name_template: "ghcr.io/kubefirst/metrics-client:latest"
+    image_templates:
+      - "ghcr.io/kubefirst/metrics-client:{{ .Tag }}-amd64"
+      - "ghcr.io/kubefirst/metrics-client:{{ .Tag }}-arm64"

Dockerfile

@@ -1,27 +1,5 @@
-FROM golang:alpine AS builder
-
-ENV GO111MODULE=on \
-  CGO_ENABLED=0 \
-  GOOS=linux \
-  GOARCH=amd64
-
-WORKDIR /build
-
-# Download go dependencies
-COPY go.mod .
-COPY go.sum .
-RUN go mod download
-
-# Copy into the container
-COPY . .
-
-# Build the application
-RUN go build -o metrics-client .
-
-# Build final image using nothing but the binary
 FROM alpine:3.17.2
 
-COPY --from=builder /build/metrics-client /
+COPY metrics-client /usr/bin/
 
-# Command to run
-ENTRYPOINT ["/metrics-client"]
+ENTRYPOINT ["/usr/bin/metrics-client"]