Add GHCR support to workflow [skip ci]

.github/workflows/docker-build.yml

@@ -1,13 +1,22 @@
-name: Build ARM Docker Image
+name: Docker Build
 
 on:
   push:
     branches: [ main ]
+    paths:
+      - 'Dockerfile'
+      - 'Dockerfile.arm'
+      - 'requirements.txt'
+      - 'movie_selector/**'
+      - '.github/workflows/**'
   workflow_dispatch:
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
     steps:
       - uses: actions/checkout@v4
 
@@ -25,19 +34,44 @@ jobs:
           toolchain: stable
           override: true
 
+      # Login to both registries
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
           username: sahara101
           password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and push
+      # Build AMD64 image
+      - name: Build and push AMD64
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: |
+            sahara101/movie-roulette:latest
+            sahara101/movie-roulette:v3.0
+            ghcr.io/${{ github.repository }}:latest
+            ghcr.io/${{ github.repository }}:v3.0
+
+      # Build ARM image
+      - name: Build and push ARM
         uses: docker/build-push-action@v5
         with:
           context: .
           file: Dockerfile.arm
           platforms: linux/arm64,linux/arm/v7
           push: true
           tags: |
-            sahara101/movie-roulette:arm-v3.0
             sahara101/movie-roulette:arm-latest
+            sahara101/movie-roulette:arm-v3.0
+            ghcr.io/${{ github.repository }}:arm-latest
+            ghcr.io/${{ github.repository }}:arm-v3.0