Add GoReleaser configuration for publishing docker images

Should build both an amd64 and arm64 image and combine both in a single manifest. Does require some modifications to the GitHub Actions to correctly push to DockerHub.

Used this blog post as inspiration: https://carlosbecker.com/posts/multi-platform-docker-images-goreleaser-gh-actions/

.github/workflows/build.yml

@@ -1,20 +1,11 @@
 name: Build and Test
-
-on:
-  push:
-    branches:
-      - '**'
-  pull_request:
-    branches:
-      - $default-branch
+on: [push, pull_request]
 
 jobs:
-
   build:
     name: Build
     runs-on: ubuntu-latest
     steps:
-
     - name: Set up Go 1.x
       uses: actions/setup-go@v2
       with:

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,55 @@
+project_name: onepassword-operator
+builds:
+  - env:
+      - CGO_ENABLED=0
+    binary: manager
+    main: ./cmd/manager/main.go
+    flags:
+      - -mod=vendor
+      - -trimpath
+    ldflags:
+      - -s -w -X "github.com/1Password/onepassword-operator/version.Version={{ .Version }}"
+    mod_timestamp: '{{ .CommitTimestamp }}'
+    goos:
+      - linux
+    goarch:
+      - amd64
+      - arm64
+dockers:
+  - image_templates: ["1password/{{ .ProjectName }}:{{ .Version }}-amd64"]
+    goos: linux
+    goarch: amd64
+    dockerfile: Dockerfile-goreleaser
+    use_buildx: true
+    extra_files:
+      - deploy/connect/
+    build_flag_templates:
+      - --platform=linux/amd64
+      - --label=org.opencontainers.image.title={{ .ProjectName }}
+      - --label=org.opencontainers.image.description={{ .ProjectName }}
+      - --label=org.opencontainers.image.url=https://github.com/1Password/onepassword-operator
+      - --label=org.opencontainers.image.source=https://github.com/1Password/onepassword-operator
+      - --label=org.opencontainers.image.version={{ .Version }}
+      - --label=org.opencontainers.image.revision={{ .FullCommit }}
+      - --label=org.opencontainers.image.licenses=MIT
+  - image_templates: ["1password/{{ .ProjectName }}:{{ .Version }}-arm64v8"]
+    goos: linux
+    goarch: arm64
+    dockerfile: Dockerfile-goreleaser
+    use_buildx: true
+    extra_files:
+      - deploy/connect/
+    build_flag_templates:
+      - --platform=linux/arm64/v8
+      - --label=org.opencontainers.image.title={{ .ProjectName }}
+      - --label=org.opencontainers.image.description={{ .ProjectName }}
+      - --label=org.opencontainers.image.url=https://github.com/1Password/onepassword-operator
+      - --label=org.opencontainers.image.source=https://github.com/1Password/onepassword-operator
+      - --label=org.opencontainers.image.version={{ .Version }}
+      - --label=org.opencontainers.image.revision={{ .FullCommit }}
+      - --label=org.opencontainers.image.licenses=MIT
+docker_manifests:
+  - name_template: 1password/{{ .ProjectName }}:{{ .Version }}
+    image_templates:
+      - 1password/{{ .ProjectName }}:{{ .Version }}-amd64
+      - 1password/{{ .ProjectName }}:{{ .Version }}-arm64v8

Dockerfile-goreleaser

@@ -0,0 +1,9 @@
+# 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
+WORKDIR /
+COPY ./manager .
+USER nonroot:nonroot
+COPY deploy/connect/ deploy/connect/
+
+ENTRYPOINT ["/manager"]