Throwaway PR to test ghpages deployment w/ main branch filter disabled

.github/workflows/CI.yml

@@ -168,6 +168,27 @@ jobs:
         with:
           name: doc-coverage
           path: doc/doc-coverage.json
+      - uses: actions/upload-artifact@v2
+        with:
+          name: documentation-html
+          path: doc/_build/html
+  deploy-to-gh-pages:
+    name: Deploy Documentation to GitHub Pages
+    runs-on: ubuntu-22.04
+    needs: test-documentation
+    # if: github.ref == 'refs/heads/master'
+    steps:
+      - uses: actions/checkout@v3
+      - name: Download artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: documentation-html
+          path: doc/_build/html
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./doc/_build/html
   deploy-documentation-coverage:
     name: Deploy Documentation Coverage
     runs-on: ubuntu-22.04
@@ -208,16 +229,3 @@ jobs:
           password: ${{ secrets.DOCKER_PASSWORD }}
           repository: devosoft/empirical
           tag_with_ref: true
-      - name: Log in to GitHub Container Registry
-        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Push to ghcr.io
-        uses: docker/build-push-action@v1
-        with:
-          context: .
-          push: true
-          repository: ghcr.io/devosoft/empirical
-          tag_with_ref: true

Dockerfile

@@ -24,23 +24,15 @@ RUN \
 # remove -backports, -updates, -proposed, -security repositories
 # looks like we have to grab libxxhash0 from -updates now
 RUN \
-  apt-get update -y \
+  for n in $(seq 1 5); do apt-get update -y && sleep 5 && break; done \
     && \
-  apt-get install --no-install-recommends libxxhash0 \
+  apt-get install --no-install-recommends -y libxxhash0 software-properties-common \
     && \
-  apt-get clean \
-    && \
-  rm -rf /var/lib/apt/lists/* \
-    && \
-  apt-get update -y \
-    && \
-  apt-get install -y software-properties-common \
-    && \
-  add-apt-repository -y ppa:ubuntu-toolchain-r/test \
+  for n in $(seq 1 5); do add-apt-repository -y ppa:ubuntu-toolchain-r/test && sleep 5 && break; done \
     && \
-  add-apt-repository -y ppa:deadsnakes/ppa \
+  for n in $(seq 1 5); do add-apt-repository -y ppa:deadsnakes/ppa && sleep 5 && break; done \
     && \
-  apt-get update -y \
+  for n in $(seq 1 5); do apt-get update -y && sleep 5 && break; done \
     && \
   apt-get install --no-install-recommends --allow-downgrades -y \
     build-essential \