ci: reuse build and push steps into an action

.github/actions/build-and-push/action.yml

@@ -0,0 +1,53 @@
+name: build-and-push
+
+
+inputs:
+  path:
+    required: true
+    description: The directory path of the Dockerfile (context location)
+
+  image-name:
+    required: true
+    description: The Docker image name (user/repo:tag)
+
+  tag-suffix:
+    required: true
+    description: The Docker image tag suffix (bare, full, edge etc)
+
+
+runs:
+  using: composite
+  steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Lint Dockerfile
+      run: docker run --rm -i hadolint/hadolint < ${{ inputs.path }}/Dockerfile
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v2
+      with:
+        username: caian
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+    - name: Set up Docker Buildx
+      id: buildx
+      uses: docker/setup-buildx-action@v1
+
+    - name: Cache Docker layers
+      uses: actions/cache@v3
+      with:
+        path: /tmp/.buildx-cache
+        key: build-image-${{ inputs.tag-suffix }}-buildx-${{ github.sha }}
+        restore-keys: |
+          build-image-${{ inputs.tag-suffix }}-buildx-
+
+    - name: Build and push "${{ inputs.tag-suffix }}" image
+      uses: docker/build-push-action@v2
+      with:
+        context: ${{ inputs.path }}
+        push: true
+        tags: ${{ inputs.image-name }}
+        builder: ${{ steps.buildx.outputs.name }}
+        cache-from: type=local,src=/tmp/.buildx-cache
+        cache-to: type=local,dest=/tmp/.buildx-cache

.github/workflows/build-bare-image.yml

@@ -10,44 +10,20 @@ on:
 jobs:
   build-bare-image:
     runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-
-      - name: Lint Dockerfile
-        run: docker run --rm -i hadolint/hadolint < images/bare/Dockerfile
-
-      - name: Login to Docker Hub
-        uses: docker/login-action@v2
-        with:
-          username: caian
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+    env:
+      tag-suffix: bare
 
+    steps:
       - name: Retrieve metadata for Docker
         id: meta
         uses: docker/metadata-action@v4
         with:
           images: caian/sample-devcontainer
-          tags: type=semver,pattern={{version}}-bare
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v1
-
-      - name: Cache Docker layers
-        uses: actions/cache@v3
-        with:
-          path: /tmp/.buildx-cache
-          key: build-bare-image-buildx-${{ github.sha }}
-          restore-keys: |
-            build-bare-image-buildx-
+          tags: type=semver,pattern={{version}}
 
-      - name: Build and push "bare" (base) image
-        uses: docker/build-push-action@v2
+      - name: Build and push
+        uses: ./.github/actions/build-and-push
         with:
-          context: images/bare
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          builder: ${{ steps.buildx.outputs.name }}
-          cache-from: type=local,src=/tmp/.buildx-cache
-          cache-to: type=local,dest=/tmp/.buildx-cache
+          path: image/${{ env.tag-suffix }}
+          version: ${{ steps.meta.outputs.tags }}-${{ env.tag-suffix }}
+          tag-suffix: ${{ env.tag-suffix }}