test: pure container.image mount inspection

.gitea/workflows/test.yml

@@ -5,18 +5,18 @@ jobs:
     runs-on: ubuntu-latest
     container:
       image: docker:24.0-cli
-      options: >-
-        -v /var/run/docker.sock:/var/run/docker.sock
-        -v /opt/freedom:/opt/freedom
-        --add-host host.docker.internal:host-gateway
     steps:
-      - name: Verify mounts
+      - name: Inspect mounts
         run: |
+          echo "=== mountinfo ==="
+          cat /proc/self/mountinfo
           echo "=== /opt/freedom ==="
-          ls /opt/freedom | head -5
+          ls -la /opt/freedom 2>&1 | head -10
           echo "=== docker.sock ==="
           test -S /var/run/docker.sock && echo SOCK_OK || echo SOCK_NO
-          echo "=== host resolution ==="
+          echo "=== hosts ==="
-          getent hosts host.docker.internal || echo NOT_RESOLVED
+          cat /etc/hosts
           echo "=== docker version ==="
-          docker version --format '{{.Server.Version}}'
+          docker version --format '{{.Server.Version}}' 2>&1 || echo DOCKER_NO
+          echo "=== compose ==="
+          docker compose version 2>&1 || echo COMPOSE_NO