convert to podman

* call podman exec instead of using API:
  - build does not support progress
  - run looks like to lack equivalent dockerpty support
* config: use full uri as short names are not supported on
  all OSes (like debian 11)

runon.default.yaml

@@ -21,9 +21,6 @@ debian_base: &debian_base
   binds:
     - /etc/timezone:ro
     - /etc/localtime:ro
-    - /etc/passwd:ro
-    - /etc/group:ro
-    - /etc/shadow:ro
     - "{home}"
   environment:
     - USER
@@ -33,7 +30,7 @@ debian_base: &debian_base
 
 debian9:
   <<: *debian_base
-  image: debian:9
+  image: docker.io/debian:9
   dockerfile:
     - ARG DEBIAN_FRONTEND=noninteractive
     - RUN echo "deb http://archive.debian.org/debian stretch main" > /etc/apt/sources.list
@@ -46,23 +43,24 @@ debian9:
 
 debian10:
   <<: *debian_base
-  image: debian:10
+  image: docker.io/debian:10
 
 debian11:
   <<: *debian_base
-  image: debian:11
+  image: docker.io/debian:11
 
 debian12:
   <<: *debian_base
-  image: debian:12
+  image: docker.io/debian:12
 
 ubuntu20.04:
   <<: *debian_base
-  image: ubuntu:20.04
+  image: docker.io/ubuntu:20.04
 
 ubuntu22.04:
   <<: *debian_base
-  image: ubuntu:22.04
+  image: docker.io/ubuntu:22.04
+
 rh_base: &rh_base
   dockerfile:
     - RUN dnf install -y sudo
@@ -80,9 +78,6 @@ rh_base: &rh_base
   binds:
     - /etc/timezone:ro
     - /etc/localtime:ro
-    - /etc/passwd:ro
-    - /etc/group:ro
-    - /etc/shadow:ro
     - "{home}"
   environment:
     - USER
@@ -93,7 +88,7 @@ rh_base: &rh_base
 
 centos7:
   <<: *rh_base
-  image: centos:7
+  image: docker.io/centos:7
   dockerfile:
     - RUN yum install -y sudo
     - RUN echo "Defaults lecture = never" >> /etc/sudoers
@@ -104,9 +99,9 @@ centos7:
 
 rocky8:
   <<: *rh_base
-  image: rockylinux:8
+  image: docker.io/rockylinux:8
 
 rocky9:
   <<: *rh_base
-  image: rockylinux:9
+  image: docker.io/rockylinux:9