nginx: set the remote ip from X-Real-IP by default (#302)

.examples/docker-compose/with-nginx-proxy/mariadb-cron-redis/fpm/web/nginx.conf

@@ -25,6 +25,11 @@ http {
 
     keepalive_timeout  65;
 
+    set_real_ip_from  10.0.0.0/8;
+    set_real_ip_from  172.16.0.0/12;
+    set_real_ip_from  192.168.0.0/16;
+    real_ip_header    X-Real-IP;
+
     #gzip  on;
 
     upstream php-handler {

.examples/docker-compose/with-nginx-proxy/mariadb/fpm/web/nginx.conf

@@ -25,6 +25,11 @@ http {
 
     keepalive_timeout  65;
 
+    set_real_ip_from  10.0.0.0/8;
+    set_real_ip_from  172.16.0.0/12;
+    set_real_ip_from  192.168.0.0/16;
+    real_ip_header    X-Real-IP;
+
     #gzip  on;
 
     upstream php-handler {

.examples/docker-compose/with-nginx-proxy/postgres/fpm/web/nginx.conf

@@ -25,6 +25,11 @@ http {
 
     keepalive_timeout  65;
 
+    set_real_ip_from  10.0.0.0/8;
+    set_real_ip_from  172.16.0.0/12;
+    set_real_ip_from  192.168.0.0/16;
+    real_ip_header    X-Real-IP;
+
     #gzip  on;
 
     upstream php-handler {