NGX-731: move upstream config to separate conf file (#35)

* NGX-731: move upstream config to separate conf file

* NGX-731: move upstream config to separate conf file

---------

Co-authored-by: Sean <[email protected]>

Author: combssm

templates/etc/nginx/conf.d/upstream.conf.j2

@@ -0,0 +1,12 @@
+# {{ template_destpath }}
+# {{ ansible_managed }}
+
+
+upstream http_backend {
+{% if use_letsencrypt is defined and use_letsencrypt|bool %}
+    server 127.0.0.1:8443;
+{%- else %}
+    server 127.0.0.1:8080;
+{%- endif %}    
+    keepalive 2;
+}