some info

README.md

@@ -1,7 +1,14 @@
 # container-compose
+An implementation of [Compose Spec](https://compose-spec.io/) with support for [Podman](https://podman.io/) and [Docker](https://www.docker.com/) backend.
+This project focuses on:
 
-neither docker-compose or podman-compose supports building multi arch images and push them to registrar. this is a bash script to attempt to fix it and add support for it.  
+* Multiarch container build and push to regitrar
 
+# Selecting backend engine:
+- Pass `--engine=docker` or `--engine=podman` as first argument or it will use select engine based on compose file name `docker` if `docker-compose.yaml` or `docker-compose.yml` and podman if `podman-compose.yaml` or `podman-compose.yml`.
+
+### Spec to follow
+[https://github.com/compose-spec/compose-spec/blob/master/spec.md#compose-file](https://github.com/compose-spec/compose-spec/blob/master/spec.md#compose-file)
 
 This script checks if current dir has one of these files, in this oder
 ```text