Added Docker CI

.github/workflows/build_docker.yml

@@ -0,0 +1,56 @@
+name: Build Docker
+on:
+  push:
+    branches: [ develop, release/** ]
+    paths:
+      - 'Dockerfiles/**'
+      - '.github/workflows/**'
+  pull_request:
+    branches: [ develop, release/** ]
+    paths:
+      - 'Dockerfiles/**'
+      - '.github/workflows/**'
+
+jobs:  
+    find-dockerfiles:  
+      name: Find Dockerfiles
+      runs-on: self-hosted
+      outputs:  
+        files: ${{ steps.find-files.outputs.files }}  
+      steps:  
+        - name: Checkout repository  
+          uses: actions/checkout@v3  
+        - name: Find Dockerfiles  
+          id: find-files  
+          run: |  
+            echo "## Finding all Dockerfiles in the 'Dockerfiles/' directory"  
+            FILES=$(find Dockerfiles/ -type f -printf "%f\n" | grep .*Dockerfile)  
+            echo "Found Dockerfiles:"  
+            echo "$FILES"  
+            # Convert the array to JSON array  
+            JSON_ARRAY=$(printf '%s\n' "${FILES[@]}" | jq -R . | jq -s . | jq -c .)  
+            echo "JSON_ARRAY is"
+            echo $JSON_ARRAY
+            echo "files=$JSON_ARRAY"  >> $GITHUB_OUTPUT 
+    build:  
+      name: Build Docker Images
+      runs-on: self-hosted  
+      needs: find-dockerfiles
+      strategy:
+        matrix: 
+          file: ${{fromJson(needs.find-dockerfiles.outputs.files)}}
+      steps:
+        - name: Checkout repository  
+          uses: actions/checkout@v3  
+
+        - name: Set up Docker Buildx  
+          uses: docker/setup-buildx-action@v2  
+
+        - name: Build Docker image for ${{matrix.file}}  
+          uses: docker/build-push-action@v4  
+          with:  
+            context: Dockerfiles/ 
+            file: Dockerfiles/${{matrix.file}} 
+            push: false          
+            tags: rocm-examples/dockerci:latest  
+