Add proper status codes.

.gitignore

 index.html
+nginx.conf

configs/page-not-found.conf

+server { 
+	server_name _;
+
+	error_page 404 /index.html;
+
+	# Everything is a 404
+	location / {
+		return 404; #return the code 404
+	}
+
+	location = /healthz {
+		return 200;
+	}
+
+	# link the code to the file
+	location = /index.html {
+		root /srv/;
+	}
+
+
+}

configs/under-maintenance.conf

+server { 
+	server_name _;
+
+	error_page 503 /index.html;
+
+	# Everything is a 404
+	location / {
+		return 503; #return the code 404
+	}
+
+	# link the code to the file
+	location = /index.html {
+		root /srv/;
+	}
+}

deploy.sh

@@ -11,6 +11,7 @@ do
 
 	rm -f ./index.html
 	cp $site ./index.html
+	cp ./configs/$IMAGE.conf ./nginx.conf
 	
 	docker build -t registry.dbogatov.org/dbogatov/nginx-placeholders/$IMAGE .
 

nginx.conf

-server { 
-	server_name _;
-
-	root /srv;
-    index index.html;
-}