Update nginx.conf with new root directory and error page

astro/nginx.conf

@@ -1,10 +1,10 @@
-worker_processes  1;
 events {
     worker_connections  1024;
 }
+
 http {
-    include       mime.types;
     default_type  application/octet-stream;
+    include       mime.types;
     gzip on;
     gzip_vary on;
     gzip_proxied any;
@@ -17,17 +17,21 @@ http {
         listen 80;
 
         location / {
-            root   html;
-            index  index.html index.htm;
+            root /usr/share/nginx/html;
+            try_files $uri $uri/ =404;
         }
 
-        #error_page  404              /404.html;
-
-        # redirect server error pages to the static page /50x.html
-        #
-        error_page   500 502 503 504  /50x.html;
-        location = /50x.html {
-            root   html;
+        location /error_page.html {
+            internal;
         }
+
+        location ~* \.(jpg|jpeg|png|gif|ico|css|js|htm|html)$ {
+            root /usr/share/nginx/html;
+            expires 30d;  
+            add_header Pragma public;
+            add_header Cache-Control "public";
+        }
+
+        error_page 404 /error_page.html;
     }
 }