feat(workflow): upload image to ghcr after build in workflow

Author: RomaLzhih

.github/workflows/docker-build.yml

@@ -1,4 +1,4 @@
-name: Docker Build and Test
+name: Docker Build and Push
 
 on:
   push:
@@ -10,6 +10,9 @@ on:
 jobs:
   docker-build:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
 
     steps:
     - name: Checkout repository
@@ -20,18 +23,35 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
 
-    - name: Verify Dockerfile exists
-      run: |
-        ls -la
-        if [ ! -f Dockerfile ]; then
-          echo "ERROR: Dockerfile not found!"
-          exit 1
-        fi
+    - name: Log in to GitHub Container Registry
+      uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
 
-    - name: Build Docker image
-      run: |
-        docker build -t psi-ae:test .
+    - name: Extract metadata for Docker
+      id: meta
+      uses: docker/metadata-action@v4
+      with:
+        images: ghcr.io/${{ github.repository }}
+        tags: |
+          type=ref,event=branch
+          type=ref,event=pr
+          type=sha,prefix={{branch}}-
+          type=raw,value=latest,enable={{is_default_branch}}
+    
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v4
+      with:
+        context: .
+        push: ${{ github.event_name != 'pull_request' }}
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}
+        cache-from: type=gha
+        cache-to: type=gha,mode=max
 
     - name: Run example tests
+      if: github.event_name == 'pull_request'
       run: |
-        docker run --rm psi-ae:test ./example/run_examples.sh
+        docker run --rm ghcr.io/${{ github.repository }}:pr-${{ github.event.pull_request.number }} ./example/run_examples.sh