nginx.conf

user              nginx;
worker_processes  auto;
error_log         /var/log/nginx/error.log warn;
pid               /var/run/nginx.pid;
events {
    worker_connections  1024;
    use epoll;
}
http {
    include        /etc/nginx/mime.types;
    default_type   application/octet-stream;
    log_format     main  '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';
    access_log           /var/log/nginx/access.log  main;
    sendfile             on;
    tcp_nopush           on;
    tcp_nodelay          on;
    keepalive_timeout    65;
    types_hash_max_size  2048;

    upstream api {
        server bloger-backend:9000;
        keepalive 8;
    }

    server {
        listen       80;
        server_name  localhost;
        location / {
            root   /app;
            index  index.html;
            try_files $uri $uri/ /index.html;
        }

        location ^~/api/ {
            proxy_set_header  Host               $host;
            proxy_set_header  X-Real-IP          $remote_addr;
            proxy_set_header  X-Forwarded-For    $proxy_add_x_forwarded_for;
            proxy_set_header  X-NginX-Proxy      true;
            proxy_set_header  X-Forwarded-Proto  $scheme;

            rewrite     ^/api/(.*)$ /$1 break;
            proxy_pass  http://api;
        }

        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   /usr/share/nginx/html;
        }
    }

}