set new path for proxy pass and location, with slash in the end of paths

serv_nginx/nginx/nginx-ssl.conf

@@ -31,8 +31,8 @@ server {
     }
 
     # New location for REST API
-    location /api {
-        proxy_pass http://api:8080;
+    location /api/ {
+        proxy_pass http://api:8080/;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;