chore(docker): improve docker build workflow

.github/workflows/cd.yml

@@ -64,29 +64,3 @@ jobs:
         with:
           command: publish
           args: --locked --token ${{ secrets.CARGO_TOKEN }}
-
-  publish-docker:
-    name: Publish the Docker image
-    needs: publish-github
-    runs-on: ubuntu-20.04
-    steps:
-      - name: Checkout
-        uses: actions/checkout@master
-      - name: Set the release version
-        run: echo "RELEASE_VERSION=${GITHUB_REF:11}" >> $GITHUB_ENV
-      - name: Build
-        run: docker build -t rustypaste .
-      - name: Tag
-        run: |
-          docker tag rustypaste orhunp/rustypaste:${{ env.RELEASE_VERSION }}
-          docker tag rustypaste docker.pkg.github.com/orhun/rustypaste/rustypaste:${{ env.RELEASE_VERSION }}
-      - name: Login (Docker Hub)
-        run: echo ${{ secrets.DOCKER_TOKEN }} |
-          docker login -u orhunp --password-stdin
-      - name: Push (Docker Hub)
-        run: docker push orhunp/rustypaste:${{ env.RELEASE_VERSION }}
-      - name: Login (Package Registry)
-        run: echo ${{ secrets.GITHUB_TOKEN }} |
-          docker login -u orhun docker.pkg.github.com --password-stdin
-      - name: Push (Package Registry)
-        run: docker push docker.pkg.github.com/orhun/rustypaste/rustypaste:${{ env.RELEASE_VERSION }}

.github/workflows/ci.yml

@@ -7,6 +7,8 @@ on:
   pull_request:
     branches:
       - master
+  schedule:
+    - cron: "0 0 * * 0"
 
 jobs:
   check:

.github/workflows/docker.yml

@@ -4,27 +4,76 @@ on:
   push:
     branches:
       - master
+    tags:
+      - "v*.*.*"
+  pull_request:
+    branches:
+      - master
+  schedule:
+    - cron: "0 0 * * 0"
 
 jobs:
   docker:
-    name: Docker
+    name: Docker Build and Push
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout
-        uses: actions/checkout@master
-      - name: Build
-        run: docker build -t rustypaste .
-      - name: Tag
-        run: |
-          docker tag rustypaste orhunp/rustypaste:latest
-          docker tag rustypaste docker.pkg.github.com/orhun/rustypaste/rustypaste:latest
-      - name: Login (Docker Hub)
-        run: echo ${{ secrets.DOCKER_TOKEN }} |
-          docker login -u orhunp --password-stdin
-      - name: Push (Docker Hub)
-        run: docker push orhunp/rustypaste:latest
-      - name: Login (Package Registry)
-        run: echo ${{ secrets.GITHUB_TOKEN }} |
-          docker login -u orhun docker.pkg.github.com --password-stdin
-      - name: Push (Package Registry)
-        run: docker push docker.pkg.github.com/orhun/rustypaste/rustypaste:latest
+        uses: actions/checkout@v2
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+            orhunp/rustypaste
+            ghcr.io/${{ github.repository_owner }}/rustypaste/rustypaste
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=sha
+            type=raw,value=latest
+            type=semver,pattern={{version}}
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
+      - name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          username: orhunp
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./
+          file: ./Dockerfile
+          builder: ${{ steps.buildx.outputs.name }}
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}