improve host setup, especially related to Docker setup

host_setup.yml

@@ -1,26 +1,45 @@
 ---
 - name: Initial generic setup
   hosts: gitrunner
-  become: yes
-  gather_facts: yes
+  become: true
+  gather_facts: true
 
   tasks:
     - name: Install required packages
-      yum:
+      ansible.builtin.dnf:
         name:
-          - git
+          - docker
           - nodejs
-          - mock
+          - git
         state: present
-        update_cache: yes
+        update_cache: true
+
+    - name: Start and enable Docker service
+      ansible.builtin.systemd:
+        name: docker
+        enabled: true
+        state: started
+
+    - name: Add current user to docker group
+      ansible.builtin.user:
+        name: "{{ item }}"
+        groups: docker
+        append: true
+      loop:
+        - "{{ ansible_user }}"
+        - act_runner
+
+    - name: Verify Docker installation
+      ansible.builtin.command: docker version
+      changed_when: true
 
     - name: Check current hostname
-      command: hostname
+      ansible.builtin.command: hostname
       register: current_hostname
       changed_when: false
 
     - name: Set hostname to configured value (if needed)
-      hostname:
-        name: fedora-rawhide
+      ansible.builtin.hostname:
+        name: fedora-cloud
       when:
-        - current_hostname.stdout != "fedora-rawhide"
+        - current_hostname.stdout != "fedora-cloud"