CI: setup to use the custom Docker

.github/workflows/release.yml

@@ -9,22 +9,39 @@ jobs:
   build:
     runs-on: ubuntu-latest
     permissions:
-      contents: write # Required for creating releases and accessing repository contents
-      id-token: write # Required for authentication and access
-      actions: write # Required for workflow-related actions
+      contents: write
+      id-token: write
+      actions: write
+      packages: write
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Setup TeX Live
-        uses: xu-cheng/latex-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and cache Docker image
+        uses: docker/build-push-action@v5
         with:
-          root_file: main.tex
+          context: .docker
+          push: true
+          tags: ghcr.io/${{ github.repository }}/resume:latest
+          cache-from: type=registry,ref=ghcr.io/${{ github.repository }}/resume:buildcache
+          cache-to: type=registry,ref=ghcr.io/${{ github.repository }}/resume:buildcache,mode=max
 
-      - name: Rename Output File
+      - name: Build LaTeX document
         run: |
-          mv main.pdf Anish_Shobith_P_S_Resume.pdf
+          docker run --rm -v ${{ github.workspace }}:/latex \
+            ghcr.io/${{ github.repository }}/resume:latest \
+            main.tex "Anish_Shobith_P_S_Resume.pdf"
 
       - name: Create Release
         if: github.ref == 'refs/heads/main'