Create docker.yml

Author: Sonichigo

.github/workflows/docker.yml

@@ -0,0 +1,37 @@
+name: Build and Push Docker Image to GitHub Container Registry
+
+on:
+  push:
+    branches:
+      - main  # Trigger on push to the main branch
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build Docker image
+        run: |
+          docker build -t ghcr.io/${{ github.repository }}/wallpaper-ai:${{ github.sha }} .
+          
+      - name: Push Docker image
+        run: |
+          docker push ghcr.io/${{ github.repository }}/wallpaper-ai:${{ github.sha }}
+
+      - name: Tag latest image
+        run: |
+          docker tag ghcr.io/${{ github.repository }}/wallpaper-ai:${{ github.sha }} ghcr.io/${{ github.repository }}/wallpaper-ai:latest
+          
+      - name: Push the "latest" tag
+        run: |
+          docker push ghcr.io/${{ github.repository }}/wallpaper-ai:latest