WordPress image proxy for development

.htaccess

<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule wp-content/uploads/(.*) https://example.com/wp-content/uploads/$1 [NC,L]
</IfModule>

nginx.conf

set $production example.com;

# Redirect requests to /wp-content/uploads/* to production server
location @prod_uploads {
	rewrite "^(.*)/wp-content/uploads/(.*)$" "https://$production/wp-content/uploads/$2" break;
}

# Rule for handling requests to https://example.com/wp-content/uploads/
location ~ "^/wp-content/uploads/(.*)$" {
	try_files $uri @prod_uploads;
}