use resolver

nginx/default.conf

@@ -42,8 +42,11 @@ server {
   #deny all;
 
   # Prerender news post for linkedin
-  # use regular expression for location to avoid nginx resolve error (https://stackoverflow.com/questions/57937222/502-bad-gateway-nginx-no-resolver-defined-to-resolve ) # 
   location ^~ /actualites/details/ {
+    # use resolver to avoid nginx resolve error (https://stackoverflow.com/questions/57937222/502-bad-gateway-nginx-no-resolver-defined-to-resolve )
+    resolver  dns-default.openshift-dns.svc.cluster.local;
+
+    # Call from LinkedinBot User-Agent header will be passed to /api/render (puppeteer). We remove User-Agent header to be sure to avoid infinite redirection.
     # proxy_set_header must be outside if clause (cf. https://stackoverflow.com/questions/16500594/why-i-cant-put-proxy-set-header-inside-an-if-clause )
     proxy_set_header User-Agent "";
     proxy_ssl_server_name on;
@@ -79,14 +82,6 @@ server {
     proxy_pass http://res-server-service:3000;
   }
 
-  # temp to remove  
-  # https://ghost.org/docs/faq/proxying-https-infinite-loops/
-  location ~* (/blog) {
-    expires epoch;
-    proxy_no_cache 1;
-    proxy_pass http://res-ghost-service:2368;
-  }
-
   location /base-adresse/base-adresse-nationale/streets {
     proxy_pass https://passerelle.formulaireextranet.grandlyon.com/base-adresse/base-adresse-nationale/streets;
   }