nginx-backend-frontend-nginx.conf

events {}

http {
        include /etc/nginx/mime.types;
        server {
                # listen 80; you can do not specify this directive but it is appreciated to explicitely be defined.
                listen 80;
                server_name 10.131.40.198;
                # server_name hostname.domain;

                root /home/ubuntu/frontend;

                location /api {
                        # return 200 "halllo";
                        proxy_pass http://127.0.0.1:9002/api;
                }
                location = /doc {
                        proxy_pass http://127.0.0.1:9002/doc;
                }
        }
}