Merge branch 'fraccaman/ci-improvements-3'

* fraccaman/ci-improvements-3:
  ci: use custom runner for docs step

.github/workflows/ci.yml

@@ -56,24 +56,44 @@ jobs:
           SHA: ${{ github.event.pull_request.head.sha }}
 
   rust-docs:
-    runs-on: [ubuntu-latest]
+    container: 
+      image: ghcr.io/heliaxdev/namada-ci:namada-main
+    runs-on: [self-hosted, 4vcpu-8ram-ubuntu22-namada-x86]
     timeout-minutes: 20
-    env:
-      RUSTC_WRAPPER: ""
 
     steps:
       - name: Checkout repo
-        if: ${{ github.event_name != 'pull_request_target' }}
         uses: actions/checkout@v4
+        if: ${{ github.event_name != 'pull_request_target' }}
       - name: Checkout PR
-        if: ${{ github.event_name == 'pull_request_target' }}
         uses: actions/checkout@v4
+        if: ${{ github.event_name == 'pull_request_target' }}
         with:
           ref: ${{ github.event.pull_request.head.sha }}
-      - name: Install rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@v1
+      - name: Configure AWS 
+        uses: aws-actions/configure-aws-credentials@v4
+        with:
+          aws-region: ${{ env.AWS_REGION }}
+          role-to-assume: ${{ secrets.AWS_ROLE }}
+      - name: Cache cargo
+        id: cache
+        uses: runs-on/cache@v4
+        env:
+          RUNS_ON_S3_BUCKET_CACHE: ${{ env.CACHE_BUCKET }}
+        with:
+          path: /usr/local/cargo
+          key: /cache/${{ runner.os }}-${{ github.job }}-${{ hashFiles('**/Cargo.lock') }}
+      - name: Start sccache server
+        id: sccache
+        run: sccache --start-server
       - name: Build docs
         run: make build-doc
+      - name: Clean cargo cache
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: cargo cache --autoclean-expensive
+      - name: Stop sccache
+        if: always() && steps.sccache.conclusion == 'success'
+        run: sccache --stop-server || true
 
   lints:
     container: