doc: update documentation to use Ansible build

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>

diff --git a/doc/contributions/build_install.md b/doc/contributions/build_install.md
index d8c5bd9e818865c1e7050df77b25fc45cd17d0ce..610b1bc4e15f3c919ad27d867be143673ead649c 100644 (file)
--- a/doc/contributions/build_install.md
+++ b/doc/contributions/build_install.md
@@ -62,9 +62,11 @@ You can either generate a single image by running the following command from
 the root folder of the project (i.e. Alpine):
 
 ```
-docker build -f share/containers/alpine.dockerfile . --output build-out/alpine
+ansible-playbook share/ansible/playbook.yml -i share/ansible/inventory.ini -e 'distribution=alpine'
 ```
 
+**Note**: you'll need to install ansible to run this automation.
+
 Or generate all of the images with the `container-build.sh` script, as if you
 were running some of the CI checks locally: