try this

.gitea/workflows/deploy.yaml

@@ -19,24 +19,12 @@ jobs:
           fetch-depth: 0 # Fetch all history for tags
       - name: Install Nix
         uses: cachix/install-nix-action@7be5dee1421f63d07e71ce6e0a9f8a4b07c2a487
-      - name: "Cache Nix store"
-        uses: actions/cache@v4
-        id: nix-cache
-        with:
-          path: /tmp/nixcache
-          key: nix-${{ runner.os }}-nix-builder-image-${{ hashFiles('**/package.json', 'package-lock.json', '**/*.nix', '**/flake.lock') }}
-          restore-keys: |
-            nix-${{ runner.os }}-nix-builder-image
       - name: Setup Attic Cache
         uses: ryanccn/attic-action@3354ae812cb672e1381be4c7914204c44db53866
         with:
           endpoint: ${{ secrets.ATTIC_ENDPOINT }}
           cache: ${{ secrets.ATTIC_CACHE }}
           token: ${{ secrets.ATTIC_TOKEN }}
-      - name: "Import Nix store cache"
-        continue-on-error: true
-        # if: "steps.nix-cache.outputs.cache-hit == 'true'"
-        run: bash scripts/restore_cache.sh
       - name: Build container
         run: nix build .#act-runner-image
       - name: Check Nix flake
@@ -67,10 +55,6 @@ jobs:
           BRANCH: ${{ steps.vars.outputs.BRANCH }}
         run: |
           nix develop -c bash scripts/deploy.sh
-      - name: "Export Nix store cache"
-        if: always()
-        # if: "steps.nix-cache.outputs.cache-hit != 'true'"
-        run: bash scripts/populate_cache.sh
   nix-check:
     runs-on: nix-runner
     steps:
@@ -78,30 +62,14 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0 # Fetch all history for tags
-      - name: "Cache Nix store"
-        uses: actions/cache@v4
-        id: nix-cache
-        with:
-          path: /tmp/nixcache
-          key: nix-${{ runner.os }}-nix-builder-image-${{ hashFiles('**/package.json', 'package-lock.json', '**/*.nix', '**/flake.lock') }}
-          restore-keys: |
-            nix-${{ runner.os }}-nix-builder-image
       - name: Setup Attic Cache
         uses: ryanccn/attic-action@3354ae812cb672e1381be4c7914204c44db53866
         with:
           endpoint: ${{ secrets.ATTIC_ENDPOINT }}
           cache: ${{ secrets.ATTIC_CACHE }}
           token: ${{ secrets.ATTIC_TOKEN }}
-      - name: "Import Nix store cache"
-        continue-on-error: true
-        # if: "steps.nix-cache.outputs.cache-hit == 'true'"
-        run: bash scripts/restore_cache.sh
       - name: Build container
         run: nix build .#act-runner-image
       - name: Check Nix flake
         run: nix flake check
         id: flake-check
-      - name: "Export Nix store cache"
-        if: always()
-        # if: "steps.nix-cache.outputs.cache-hit != 'true'"
-        run: bash scripts/populate_cache.sh