Smoke-test phpPgAdmin inside the container network

.gitea/workflows/publish.yml

@@ -68,12 +68,12 @@ jobs:
                 if (!extension_loaded($extension)) { fwrite(STDERR, "Missing PHP extension: {$extension}\n"); exit(1); }
             }
           '
-          container_id=$(podman run --detach --publish 127.0.0.1::80 "${IMAGE}:${COMMIT_SHA}")
+          container_id=$(podman run --detach "${IMAGE}:${COMMIT_SHA}")
           trap 'podman rm --force "$container_id" >/dev/null 2>&1 || true' EXIT
-          port=$(podman inspect --format '{{ (index (index .NetworkSettings.Ports "80/tcp") 0).HostPort }}' "$container_id")
           for attempt in {1..30}; do
-            if curl --fail --silent --show-error "http://127.0.0.1:${port}/phppgadmin/" -o "${RUNNER_TEMP}/page.html" \
-              && grep -Fq phpPgAdmin "${RUNNER_TEMP}/page.html"; then exit 0; fi
+            if podman exec "$container_id" curl --fail --silent --show-error \
+              http://127.0.0.1/phppgadmin/ -o /tmp/phppgadmin-smoke.html \
+              && podman exec "$container_id" grep -Fq phpPgAdmin /tmp/phppgadmin-smoke.html; then exit 0; fi
             sleep 1
           done
           podman logs "$container_id"