Refactor radicale setup

templates/radicale/nginx.j2

@@ -0,0 +1,21 @@
+# {{ ansible_managed }}
+
+upstream radicale-upstream {
+    server radicale:{{ radicale_app_port }};
+}
+
+server {
+  listen 80;
+  server_name {{ radicale_domain }};
+
+  location / {
+    proxy_pass        http://radicale-upstream;
+    proxy_set_header  X-Script-Name /radicale;
+    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header  X-Forwarded-Host $host;
+    proxy_set_header  X-Forwarded-Port $server_port;
+    proxy_set_header  X-Forwarded-Proto $scheme;
+    proxy_set_header  Host $http_host;
+    proxy_pass_header Authorization;
+  }
+}