Add versioning to Docker workflow and create VERSION file

.github/workflows/docker-image.yml

@@ -21,28 +21,37 @@ jobs:
     - name: Log in to Docker Hub
       run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
 
-    - name: Extract metadata (tags, labels) for Docker
-      id: meta
-      uses: docker/metadata-action@v4
-      with:
-        images: calibre-puppeteer-base
+    - name: Read the current version
+      id: get_version
+      run: echo "::set-output name=version::$(cat VERSION)"
+
+    - name: Increment the version
+      id: increment_version
+      run: |
+        current_version=$(cat VERSION)
+        IFS='.' read -r -a version_parts <<< "$current_version"
+        version_parts[2]=$((version_parts[2] + 1))
+        new_version="${version_parts[0]}.${version_parts[1]}.${version_parts[2]}"
+        echo $new_version > VERSION
+        echo "::set-output name=new_version::$new_version"
+
+    - name: Commit the new version
+      run: |
+        git config --global user.name 'github-actions'
+        git config --global user.email '[email protected]'
+        git add VERSION
+        git commit -m "Increment version to ${{ steps.increment_version.outputs.new_version }}"
+        git push
 
     - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag calibre-puppeteer-base:${{ steps.meta.outputs.tags }}
+      run: docker build . --file Dockerfile --tag calibre-puppeteer-base:${{ steps.increment_version.outputs.new_version }}
 
     - name: Verification step
       run: |
         # Run Calibre version command to verify installation
-        docker run --rm calibre-puppeteer-base:${{ steps.meta.outputs.tags }} ebook-convert --version
+        docker run --rm calibre-puppeteer-base:${{ steps.increment_version.outputs.new_version }} ebook-convert --version
         # Run Puppeteer to verify installation
-        docker run --rm --security-opt seccomp=chrome.json calibre-puppeteer-base:${{ steps.meta.outputs.tags }} node -e "const browser = require('puppeteer').launch(); console.log('Puppeteer works')"
-
-    - name: Build and push Docker image
-      if: success() # Ensures this step runs only if the previous steps are successful
-      uses: docker/build-push-action@v4
-      with:
-        context: .
-        file: Dockerfile
-        push: true
-        tags: ${{ steps.meta.outputs.tags }}
-        labels: ${{ steps.meta.outputs.labels }}
+        docker run --rm --security-opt seccomp=chrome.json calibre-puppeteer-base:${{ steps.increment_version.outputs.new_version }} node -e "const browser = require('puppeteer').launch(); console.log('Puppeteer works')"
+
+    - name: Push Docker image
+      run: docker push calibre-puppeteer-base:${{ steps.increment_version.outputs.new_version }}

VERSION

@@ -0,0 +1 @@
+1.0.0