DRP-70: add timeoutes as ENVs, update README.md, update nginx config (#73)

Authored-by: Bulent <bt.sezer29@gmail.com>

nginx.conf

@@ -14,6 +14,9 @@ http {
     map_hash_bucket_size 128;
     include       /etc/nginx/mime.types;
     default_type  application/octet-stream;
+    
+    # Include nginx timeout configs
+    include       /etc/nginx/nginx.timeouts.config.conf;
 
     # Use a debug-oriented logging format.
     log_format debugging escape=json
@@ -73,7 +76,6 @@ http {
         '"upstream":"$upstream_addr"'
       '}';
 
-    keepalive_timeout  300;
     gzip  off;
 
     # Entrypoint generates the proxy_cache_path here, so it is configurable externally.
@@ -131,7 +133,7 @@ http {
     # The proxy director layer, listens on 3128
     server {
         listen 3128;
-        server_name _;
+        server_name proxy_director_;
 
         # dont log the CONNECT proxy.
         #access_log /var/log/nginx/access.log debug_proxy;
@@ -199,7 +201,7 @@ echo "Docker configured with HTTPS_PROXY=$scheme://$http_host/"
         # actually could be 443 or 444, depending on debug. this is now generated by the entrypoint.
         listen 80 default_server;
         include /etc/nginx/caching.layer.listen;
-        server_name _;
+        server_name proxy_caching_;
 
         # Do some tweaked logging.
         access_log  /var/log/nginx/access.log  tweaked;