quack-cors.conf

server {
        add_header 'Access-Control-Allow-Origin' 'http://localhost:3000' always;
        add_header 'Access-Control-Allow-Credentials' 'true' always;

        listen [::]:81;
        listen 81 default_server;

        proxy_read_timeout     300;
        proxy_connect_timeout  300;

        proxy_http_version     1.1;
        proxy_set_header Host $host;

        access_log /var/log/nginx/access.log;
        error_log /var/log/nginx/error.log;

        location / {
            add_header 'Access-Control-Allow-Origin' 'http://localhost:3000' always;
            add_header 'Access-Control-Allow-Credentials' 'true' always;
            try_files $uri /index.html =404;
        }

        location /api {
                proxy_pass http://localhost:8080/api;
                access_log /var/log/nginx/access.log;
                error_log /var/log/nginx/error.log;
                proxy_redirect          off;
                proxy_connect_timeout   60s;
                add_header Access-Control-Allow-Methods "GET,PUT,OPTIONS,POST,DELETE";
                add_header 'Access-Control-Allow-Origin' 'http://localhost:3000' always;
                add_header 'Access-Control-Allow-Credentials' 'true' always;
                add_header Access-Control-Allow-Headers "Content-Type";
                add_header Access-Control-Max-Age "86400";
        }

        location = /favicon.ico {
                add_header 'Access-Control-Allow-Origin' 'http://localhost:3000' always;
                add_header 'Access-Control-Allow-Credentials' 'true' always;
                log_not_found off;
                access_log off;
        }

}