Use transient mode in podman.

images/container.mpp.yml

@@ -33,15 +33,15 @@ pipelines:
             - mpp-eval: distro_repos
             - mpp-eval: target_repos
             - mpp-eval: extra_repos
-            - - id: copr-quadlet
-                baseurl: https://download.copr.fedorainfracloud.org/results/alexl/quadlet/centos-stream-9-$arch/
+            - - id: copr-podman
+                baseurl: https://download.copr.fedorainfracloud.org/results/alexl/podman-snapshot/centos-stream-9-x86_64/
           packages:
             mpp-join:
             - mpp-eval: base_rpms
             - mpp-eval: image_rpms
             - mpp-eval: extra_rpms
             - - podman
-              - quadlet
+              - podman-quadlet
               - curl
           excludes:
           - dracut-config-rescue
@@ -53,11 +53,20 @@ pipelines:
         mpp-embed:
           id: storage.conf
           path: ../files/storage.conf
+      inlinefile2:
+        type: org.osbuild.files
+        origin: org.osbuild.source
+        mpp-embed:
+          id: podman-clean-transient.service
+          path: ../files/podman-clean-transient.service
     options:
       paths:
       - from:
           mpp-format-string: input://inlinefile/{embedded['storage.conf']}
         to: tree:///etc/containers/storage.conf
+      - from:
+          mpp-format-string: input://inlinefile2/{embedded['podman-clean-transient.service']}
+        to: tree:///etc/systemd/system/podman-clean-transient.service
   - type: org.osbuild.copy
     inputs:
       inlinefile:
@@ -111,5 +120,6 @@ pipelines:
       enabled_services:
       - NetworkManager.service
       - rngd.service
+      - podman-clean-transient
 - mpp-import-pipelines:
     path: include/image.ipp.yml