Reinstroduced caching again...

.gitea/workflows/web-deploy.yaml

@@ -16,5 +16,21 @@ jobs:
       - name: Ensure known host name
         run: ssh-keyscan ${{ vars.WEB_PROXY_IP }} >> ~/.ssh/known_hosts
 
+      - name: Restore cached Nix Store
+        id: cached-nix-store
+        uses: actions/cache/restore@v4
+        with:
+          path: |
+            /nix
+          key: ${{ runner.os }}-nix
+
       - name: Apply Nix build to Web Proxy host
         run: nix-shell shell.nix --run "nixos-rebuild switch --no-flake --target-host ${{ vars.WEB_PROXY_TARGET_HOST }}"
+
+      - name: Save Primes
+        id: cache-primes-save
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            /nix
+          key: ${{ steps.cached-nix-store.outputs.cache-key-primary-key }}