Add podman and docker binaries

Containerfile

@@ -28,3 +28,13 @@ COPY --from=galaxy /usr/share/ansible /usr/share/ansible
 COPY --from=builder /output/ /output/
 RUN /output/install-from-bindep && rm -rf /output/wheels
 RUN alternatives --set python /usr/bin/python3
+RUN dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
+RUN dnf config-manager --set-disabled docker-ce-stable
+RUN rpm --install --nodeps --replacefiles --excludepath=/usr/bin/runc https://download.docker.com/linux/centos/8/x86_64/stable/Packages/containerd.io-1.5.10-3.1.el8.x86_64.rpm
+RUN dnf --assumeyes --enablerepo=docker-ce-stable install docker-ce
+RUN molecule --version
+RUN molecule drivers
+RUN ansible-lint --version
+RUN docker --version
+RUN podman --version
+RUN git --version

_build/bindep.txt

@@ -1 +1,2 @@
 python38-devel [platform:rpm compile]
+podman [platform:rpm]

execution-environment.yml

@@ -8,3 +8,16 @@ dependencies:
 additional_build_steps:
   append:
     - RUN alternatives --set python /usr/bin/python3
+    - RUN dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
+    - RUN dnf config-manager --set-disabled docker-ce-stable
+    #  This is a workaround due to a conflict between the packaged version of runc in the containerd.io package from Docker and the CentOS 8 Stream native
+    #  version packaged for Podman and Skopeo. This can be changed once https://github.com/docker/containerd-packaging/pull/231 is merged and available
+    #  upstream via the Docker repository. Cudos for the workaround: https://faun.pub/how-to-install-simultaneously-docker-and-podman-on-rhel-8-centos-8-cb67412f321e
+    - RUN rpm --install --nodeps --replacefiles --excludepath=/usr/bin/runc https://download.docker.com/linux/centos/8/x86_64/stable/Packages/containerd.io-1.5.10-3.1.el8.x86_64.rpm
+    - RUN dnf --assumeyes --enablerepo=docker-ce-stable install docker-ce
+    - RUN molecule --version
+    - RUN molecule drivers
+    - RUN ansible-lint --version
+    - RUN docker --version
+    - RUN podman --version
+    - RUN git --version