Add nginx reverse proxy docker config

roles/docker/files/composefiles/nginx-proxy.yml

@@ -0,0 +1,16 @@
+---
+version: '3'
+
+services:
+  nginx-proxy:
+    image: jwilder/nginx-proxy
+    ports:
+      - "80:80"
+    volumes:
+      - /var/run/docker.sock:/tmp/docker.sock:ro
+    networks:
+      - external_services
+    container_name: nginx-proxy
+networks:
+  external_services: 
+    external: true

roles/docker/tasks/services.yml

@@ -2,6 +2,12 @@
   docker_network:
     name: external_services
 
+- name: setup nginx reverse proxy
+  docker_service:
+    project_name: nginx-proxy
+    definition:
+        "{{ lookup('file', 'composefiles/nginx-proxy.yml') | from_yaml }}"
+        
 - name: setup gitea
   docker_service:
     project_name: gitea