actions dependency cache

.github/workflows/ci.yml

@@ -48,6 +48,14 @@ jobs:
       - uses: actions/checkout@v4
       - uses: oven-sh/setup-bun@v2
       - uses: dtolnay/rust-toolchain@stable
+      - name: Cache Bun packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.bun/install/cache
+          key: ${{ runner.os }}-${{ runner.arch }}-bun-${{ hashFiles('bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ runner.arch }}-bun-
+      - uses: Swatinem/rust-cache@v2.9.2
       - run: bun install --frozen-lockfile
       - run: bun run check
       - run: cargo check --locked --package friendolls
@@ -59,9 +67,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2.9.2
       - run: cargo test --locked --package friendolls-server
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v4
       - name: Ensure the production image builds
         uses: docker/build-push-action@v6
         with:
           context: .
           push: false
+          cache-from: type=gha,scope=server
+          cache-to: type=gha,mode=max,scope=server