Pre-APK smoke (no installs) added

.gitea/workflows/ci.yml

@@ -15,6 +15,19 @@ jobs:
       - name: Checkout
         uses: https://gitea.nikitapozd.dev/actions/checkout@v6
 
+      - name: Pre-APK smoke (no installs)
+        run: |
+              set -eux
+              echo "--- /etc/apk/repositories ---"
+              cat /etc/apk/repositories || true
+              echo "--- resolv.conf ---"
+              cat /etc/resolv.conf || true
+              echo "--- route ---"
+              ip route || true
+              echo "--- try download APKINDEX with busybox wget ---"
+              wget -S -O /dev/null --timeout=10 --tries=1 \
+                https://dl-cdn.alpinelinux.org/alpine/v3.22/main/x86_64/APKINDEX.tar.gz
+
       - name: Bootstrap network tools
         run: |
             set -eux