feat(release): setup for publishing docker images to ghcr

.github/workflows/ci.yml

@@ -28,6 +28,14 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/v')
     steps:
       - uses: actions/checkout@v2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Docker Login
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - uses: actions/setup-go@v2
         with:
           go-version: 1.16

.goreleaser.yml

@@ -10,18 +10,18 @@ builds:
     ldflags:
       - "-s -w -X main.version={{ .Version }} -X main.commit={{ .Commit }}"
     goos:
-      - darwin
+      - "darwin"
-      - freebsd
+      - "freebsd"
-      - linux
+      - "linux"
-      - windows
+      - "windows"
     goarch:
-      - amd64
+      - "amd64"
-      - 386
+      - "386"
-      - arm
+      - "arm"
-      - arm64
+      - "arm64"
     goarm:
-      - 6
+      - "6"
-      - 7
+      - "7"
 
 archives:
   - format: tar.gz
@@ -42,3 +42,68 @@ changelog:
     exclude:
       - "^docs:"
       - "^test:"
+
+dockers:
+  - image_templates:
+      - "ghcr.io/jimeh/casecmp:{{ .Version }}-amd64"
+      - "ghcr.io/jimeh/casecmp:latest-amd64"
+    dockerfile: Dockerfile
+    use: buildx
+    goos: linux
+    goarch: amd64
+    build_flag_templates:
+      - "--platform=linux/amd64"
+  - image_templates:
+      - "ghcr.io/jimeh/casecmp:{{ .Version }}-386"
+      - "ghcr.io/jimeh/casecmp:latest-386"
+    dockerfile: Dockerfile
+    use: buildx
+    goos: linux
+    goarch: "386"
+    build_flag_templates:
+      - "--platform=linux/386"
+  - image_templates:
+      - "ghcr.io/jimeh/casecmp:{{ .Version }}-arm64"
+      - "ghcr.io/jimeh/casecmp:latest-arm64"
+    use: buildx
+    goos: linux
+    goarch: arm64
+    dockerfile: Dockerfile
+    build_flag_templates:
+      - "--platform=linux/arm64"
+  - image_templates:
+      - "ghcr.io/jimeh/casecmp:{{ .Version }}-armv6"
+      - "ghcr.io/jimeh/casecmp:latest-armv6"
+    use: buildx
+    goos: linux
+    goarch: arm
+    goarm: "6"
+    dockerfile: Dockerfile
+    build_flag_templates:
+      - "--platform=linux/arm/v6"
+  - image_templates:
+      - "ghcr.io/jimeh/casecmp:{{ .Version }}-armv7"
+      - "ghcr.io/jimeh/casecmp:latest-armv7"
+    use: buildx
+    goos: linux
+    goarch: arm
+    goarm: "7"
+    dockerfile: Dockerfile
+    build_flag_templates:
+      - "--platform=linux/arm/v7"
+
+docker_manifests:
+  - name_template: ghcr.io/jimeh/casecmp:{{ .Version }}
+    image_templates:
+      - ghcr.io/jimeh/casecmp:{{ .Version }}-amd64
+      - ghcr.io/jimeh/casecmp:{{ .Version }}-386
+      - ghcr.io/jimeh/casecmp:{{ .Version }}-arm64
+      - ghcr.io/jimeh/casecmp:{{ .Version }}-armv6
+      - ghcr.io/jimeh/casecmp:{{ .Version }}-armv7
+  - name_template: ghcr.io/jimeh/casecmp:latest
+    image_templates:
+      - ghcr.io/jimeh/casecmp:latest-amd64
+      - ghcr.io/jimeh/casecmp:latest-386
+      - ghcr.io/jimeh/casecmp:latest-arm64
+      - ghcr.io/jimeh/casecmp:latest-armv6
+      - ghcr.io/jimeh/casecmp:latest-armv7

Dockerfile

@@ -1,17 +1,5 @@
-FROM golang:1.16-alpine as builder
-RUN apk add --no-cache \
-    git
-
-WORKDIR /app
-COPY . /app
-RUN env CGO_ENABLED=0 \
-    go build -a -o /casecmp -ldflags "-s -w \
-        -X main.version=$(cat VERSION) \
-        -X main.commit=$(git show --format='%h' --no-patch) \
-        -X main.date=$(date +%Y-%m-%dT%T%z)"
-
 FROM scratch
-COPY --from=builder /casecmp /
+COPY ./casecmp /
 ENV PORT 8080
 EXPOSE 8080
 WORKDIR /