add unifi controller role and playbook

unicorn.yml

@@ -1,11 +1,32 @@
 ---
+# this is for a dedicated vm just hosting the unifi controller.
 - hosts: unicorn.n39.eu
   become: true
-
   vars:
     ansible_python_interpreter: /usr/bin/python3
-
   roles:
     - role: docker_setup
       vars:
         docker_data_root: "/srv/docker"
+  tasks:
+    - name: Setup the docker container for unifi-controller
+      docker_container:
+        name: unifi-controller
+        image: "jacobalberty/unifi:v6.5.55"
+        state: started
+        restart_policy: unless-stopped
+        container_default_behavior: no_defaults
+        env:
+          TZ: "Europe/Berlin"
+        # These fixed ports are needed.
+        # https://help.ui.com/hc/en-us/articles/218506997-UniFi-Ports-Used
+        ports:
+          - "8080:8080/tcp" # Device command/control
+          - "8443:8443/tcp" # Web interface + API
+          - "8843:8843/tcp" # HTTPS portal
+          - "8880:8880/tcp" # HTTP portal
+          - "3478:3478/udp" # STUN service
+          - "6789:6789/tcp" # Speed Test (unifi5 only)
+        volumes:
+          - "/srv/data/unifi-controller/data:/unifi/data"
+          - "/srv/data/unifi-controller/log:/unifi/log"