update the host files to point to accessible docker container names for backends

added testing for this, including mock backend server.

dockerfiles/services/sslproxy/test.conf

@@ -0,0 +1,39 @@
+
+user  nginx;
+worker_processes  1;
+
+error_log /proc/self/fd/2 info;
+pid        /var/run/nginx.pid;
+
+
+events {
+    worker_connections  1024;
+}
+
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /proc/self/fd/2  main;
+
+    sendfile        on;
+    #tcp_nopush     on;
+
+    keepalive_timeout  65;
+
+    #gzip  on;
+
+    server {
+        listen 80 default_server;
+        listen 10080 default_server;
+        listen 8080 default_server;
+        listen 9000 default_server;
+
+        return 418;
+    }
+}