ci(docker): containerize application and add forgejo deployment workflow

.forgejo/workflows/build-push.yml

@@ -0,0 +1,46 @@
+name: Build and Push Docker Image to Forgejo Registry
+
+on:
+  push:
+    branches:
+      - main
+      - master
+      - fix_robustness_dockerize_project
+    tags:
+      - 'v*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Forgejo Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ gitea.server_url }}
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ gitea.server_url }}/${{ gitea.repository }}
+          tags: |
+            type=raw,value=latest,enable=${{ gitea.ref == 'refs/heads/main' || gitea.ref == 'refs/heads/master' }}
+            type=sha,prefix=
+
+      - name: Build and Push Docker Image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max