Add image with redirect

echoheaders-redirect/nginx.conf

@@ -0,0 +1,57 @@
+events {
+    worker_connections 1024;
+}
+
+http {
+    default_type 'text/plain';
+    # maximum allowed size of the client request body. By default this is 1m.
+    # Request with bigger bodies nginx will return error code 413.
+    # http://nginx.org/en/docs/http/ngx_http_core_module.html#client_max_body_size
+    client_max_body_size 10m;
+
+    server {
+        # please check the benefits of reuseport https://www.nginx.com/blog/socket-sharding-nginx-release-1-9-1
+        # basically instructs to create an individual listening socket for each worker process (using the SO_REUSEPORT
+        # socket option), allowing a kernel to distribute incoming connections between worker processes.
+        listen 8080 default_server reuseport;
+
+        # Replace '_' with your hostname.
+        server_name _;
+        if ($http_x_forwarded_proto = "http") {
+            return 301 https://$host$request_uri;
+        }        
+
+        location / {
+            lua_need_request_body on;
+            content_by_lua_block {
+                ngx.say("CLIENT VALUES:")
+                ngx.say("client_address=", ngx.var.remote_addr)
+                ngx.say("command=", ngx.req.get_method())
+                ngx.say("real path=", ngx.var.request_uri)
+                ngx.say("query=", ngx.var.query_string)
+                ngx.say("request_version=", ngx.req.http_version())
+                ngx.say("request_uri=", ngx.var.scheme.."://"..ngx.var.host..":"..ngx.var.server_port..ngx.var.request_uri)
+                ngx.say("")
+
+                ngx.say("SERVER VALUES:")
+                ngx.say("server_version=", "nginx: "..ngx.var.nginx_version.." - lua: "..ngx.config.ngx_lua_version)
+                ngx.say("")
+
+                ngx.say("HEADERS RECEIVED:")
+                local headers = ngx.req.get_headers()
+                local keys = {}
+                for key, val in pairs(headers) do
+                    table.insert(keys, key)
+                end
+
+                table.sort(keys)
+                for i, key in ipairs(keys) do
+                    ngx.say(key, "=", headers[key])
+                end
+
+                ngx.say("BODY:")
+                ngx.print(ngx.var.request_body or "-no body in request-")
+            }
+        }
+    }
+}