build: create amd64/arm64 compatible docker images (#23)

.github/workflows/build.yml

@@ -12,10 +12,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # dependencies
-      - name: dependencies
+      - name: goreleaser
         run: |
           curl -sfL https://install.goreleaser.com/github.com/goreleaser/goreleaser.sh | sudo sh -s -- -b /usr/local/bin
 
+      - name: qemu
+        uses: docker/setup-qemu-action@v1
+
+      - name: buildx
+        uses: docker/setup-buildx-action@v1
+
       # checkout
       - name: checkout
         uses: actions/checkout@v2
@@ -27,8 +33,11 @@ jobs:
         uses: actions/setup-go@v1
         with:
           go-version: 1.16
-      - run: go version
-      - run: go env
+
+      - name: go info
+        run: |
+          go version
+          go env
 
       # cache
       - name: cache
@@ -50,7 +59,8 @@ jobs:
           make test
 
       # git status
-      - run: git status
+      - name: git status
+        run: git status
 
       # build
       - name: build
@@ -86,43 +96,64 @@ jobs:
           name: build_windows
           path: dist/*windows*
 
-      # docker build (latest & tag)
-      - name: docker - build latest
-        if: startsWith(github.ref, 'refs/tags/') == true
-        uses: docker/build-push-action@v1
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-          repository: cloudb0x/nabarr
-          dockerfile: docker/Dockerfile
-          tags: latest
-          tag_with_ref: true
-          tag_with_sha: false
-          always_pull: true
+      # docker login
+      - name: docker login
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin
 
-      # docker build (master)
-      - name: docker - build master
-        if: github.ref == 'refs/heads/master'
-        uses: docker/build-push-action@v1
+      # docker build (latest & tag)
+      - name: release tag
+        if: startsWith(github.ref, 'refs/tags/') == true
+        uses: little-core-labs/get-git-tag@v3.0.2
+        id: releasetag
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-          repository: cloudb0x/nabarr
-          dockerfile: docker/Dockerfile
-          tags: master
-          tag_with_ref: false
-          tag_with_sha: false
-          always_pull: true
+          tagRegex: "v?(.+)"
+
+      - name: docker - build release
+        if: startsWith(github.ref, 'refs/tags/') == true
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./docker/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          pull: true
+          push: true
+          tags: |
+            cloudb0x/nabarr:${{ steps.releasetag.outputs.tag }}
+            cloudb0x/nabarr:latest
 
       # docker build (branch)
-      - name: docker - build other
-        if: startsWith(github.ref, 'refs/heads/master') == false
-        uses: docker/build-push-action@v1
+      - name: branch name
+        if: startsWith(github.ref, 'refs/tags/') == false
+        id: branch-name
+        uses: tj-actions/branch-names@v2.2
+
+      - name: docker tag
+        if: startsWith(github.ref, 'refs/tags/') == false
+        uses: frabert/replace-string-action@master
+        id: dockertag
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-          repository: cloudb0x/nabarr
-          dockerfile: docker/Dockerfile
-          tag_with_ref: true
-          tag_with_sha: false
-          always_pull: true
+          pattern: '[:\.\/]+'
+          string: "${{ steps.branch-name.outputs.current_branch }}"
+          replace-with: '-'
+          flags: 'g'
+
+      - name: docker - build branch
+        if: startsWith(github.ref, 'refs/tags/') == false
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./docker/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          pull: true
+          push: true
+          tags: |
+            cloudb0x/nabarr:${{ steps.dockertag.outputs.replaced }}
+
+      # cleanup
+      - name: cleanup
+        run: |
+          rm -f ${HOME}/.docker/config.json

.github/workflows/cleanup.yml

@@ -7,7 +7,7 @@ jobs:
     if: startsWith(github.event.ref_type, 'branch') == true
     runs-on: ubuntu-latest
     steps:
-      - name: Sanitize branch docker tag
+      - name: docker tag
         uses: frabert/replace-string-action@master
         id: dockertag
         with:
@@ -16,7 +16,7 @@ jobs:
           replace-with: '-'
           flags: 'g'
 
-      - name: Remove branch docker tag
+      - name: remove docker tag
         shell: bash
         env:
           username: ${{ secrets.DOCKER_USERNAME }}

docker/Dockerfile

@@ -1,5 +1,8 @@
 FROM sc4h/alpine-s6overlay:3.12
 
+ARG TARGETOS
+ARG TARGETARCH
+
 ENV \
   PATH="/app/nabarr:${PATH}" \
   APP_CONFIG="/config/config.yml" \
@@ -8,7 +11,7 @@ ENV \
   APP_VERBOSITY="0"
 
 # Binary
-COPY ["dist/nabarr_linux_amd64/nabarr", "/app/nabarr/nabarr"]
+COPY ["dist/nabarr_${TARGETOS}_${TARGETARCH}/nabarr", "/app/nabarr/nabarr"]
 
 # Add root files
 COPY ["docker/run", "/etc/services.d/nabarr/run"]