📚 Extends documentation

Dockerfile

@@ -60,10 +60,10 @@ ARG TARGETARCH
 # renovate: source=github-releases dep=google/go-containerregistry
 ARG crane_version=0.20.2
 
-RUN case ${TARGETARCH} in "arm64") amr64 ;; "amd64") file=x86_64 ;; esac \
+RUN case ${TARGETARCH} in "arm64") file=amr64 ;; "amd64") file=x86_64 ;; esac \
   && curl -fsSL "https://github.com/google/go-containerregistry/releases/download/v${crane_version}/go-containerregistry_Linux_${file}.tar.gz" \
     | tar -xzf - \
-  && curl -fsSL https://mirror.openshift.com/pub/openshift-v4/x86_64/clients/ocp/4.9.9/openshift-client-linux.tar.gz \
+  && curl -fsSL "https://mirror.openshift.com/pub/openshift-v4/${file}/clients/ocp/4.17.5/openshift-client-linux.tar.gz" \
     | tar -xzf - -C /tmp \
   && cp /tmp/oc .
 

README.md

@@ -4,7 +4,14 @@
 
 [![License](https://img.shields.io/badge/License-MIT-blue?style=flat-square&link=https://github.com/kloudkit/ansible-controller?tab=MIT-1-ov-file#MIT-1-ov-file)](https://github.com/kloudkit/ansible-controller?tab=MIT-1-ov-file#MIT-1-ov-file)
 
-## Documentation
+[![Latest](https://img.shields.io/github/v/release/kloudkit/ansible-controller?style=flat-square)](https://github.com/kloudkit/ansible-controller/releases)
+
+The *Ansible Controller* is a lightweight, containerized solution for managing your
+Ansible playbooks.
+Simplify your configuration management with a pre-configured, ready-to-use Ansible
+environment that runs seamlessly in Docker.
+
+## Usage
 
 The image includes a default inventory *(`/etc/ansible/hosts`)* named `controller` that
 runs on `localhost` without root privileges.
@@ -26,13 +33,25 @@ To use it, copy the following example playbook:
 
 ```sh
 docker run --rm \
+  # Mount local playbooks directory
   -v ./playbooks:/workspace \
   ghcr.io/kloudkit/ansible-controller \
+  # Set playbook variables
   -e FOO=bar \
-  /workspace/play.yaml
+  # Specify the playbook to run
+  play.yaml
 ```
 
+## Contribute
+
+Want to help make this project even better?
+
+Contribute to *Ansible Controller* by reporting [issues][] or submitting [pull requests][].
+
 ## License
 
 This project is licensed under the
 [**MIT License**](https://github.com/kloudkit/ansible-controller?tab=MIT-1-ov-file#MIT-1-ov-file)
+
+[issues]: https://github.com/kloudkit/ansible-controller/issues/new/choose
+[pull requests]: https://github.com/kloudkit/ansible-controller/compare