Replace deploy workflow with image publishing

Author: w1nt3r-eth

.github/workflows/deploy.yml

@@ -0,0 +1,40 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6.0.3
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v4.2.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set tags
+        run: |
+          owner=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
+          echo "latest=ghcr.io/$owner/${{ github.event.repository.name }}:latest" >> "$GITHUB_ENV"
+          echo "sha=ghcr.io/$owner/${{ github.event.repository.name }}:${{ github.sha }}" >> "$GITHUB_ENV"
+
+      - name: Build Docker image
+        run: docker build -t "${{ env.latest }}" -t "${{ env.sha }}" .
+
+      - name: Push Docker image
+        run: |
+          docker push "${{ env.latest }}"
+          docker push "${{ env.sha }}"