Add wiki

roles/wiki-docker/files/wiki/docker-compose.yml

@@ -0,0 +1,21 @@
+version: '2.2'
+
+networks:
+  proxy-tier:
+    external:
+      name: nginx-proxy
+
+services:
+  rpg_wiki:
+    image: 'bitnami/dokuwiki:latest'
+    expose:
+      - 80
+    environment:
+      - VIRTUAL_HOST=rpg.banditlair.com
+      - VIRTUAL_NETWORK=nginx-proxy
+      - VIRTUAL_PORT=80
+    volumes:
+      - '/var/lib/wiki/rpg:/bitnami'
+    networks:
+      - proxy-tier
+    restart: always