nginx.conf

user nginx;
worker_processes auto;
worker_rlimit_nofile 65535;

error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 2048;
    multi_accept on;
}

http {

    include mime.types;
    default_type application/octet-stream;

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;

    client_max_body_size 100m;
    client_body_buffer_size 16k;
    client_header_buffer_size 1k;

    keepalive_timeout 30s;

    gzip on;
    gzip_min_length 1k;
    gzip_buffers 4 8k;
    gzip_http_version 1.1;
    gzip_comp_level 2;
    gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;
    gzip_vary on;

    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;

    server {

        listen 80;
        server_name localhost;

        location / {

            root /usr/share/nginx/html;
            index index.html index.htm;
            try_files $uri $uri/ /index.html;
        }

        location ^~ /api/ {

            proxy_pass http://backend:9528/v1/;

            proxy_http_version 1.1;
            proxy_set_header Connection "";

            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_connect_timeout 10s;
            proxy_send_timeout 10s;
            proxy_read_timeout 10s;
        }
    }
}