events {
    worker_connections 1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    sendfile        on;
    tcp_nopush      on;
    tcp_nodelay     on;
    keepalive_timeout 65;
    client_max_body_size 10M;

    server {
        listen 8080 default_server;
        server_name _;
        root /usr/share/nginx/html;
        index index.html index.htm;

        location /api/ {
            rewrite ^/api/(.*) /$1 break;
            proxy_pass http://backend:8080;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            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-Forwarded-Proto $scheme;
            proxy_cache_bypass $http_upgrade;
            proxy_read_timeout 300s;
            proxy_connect_timeout 75s;
        }

        location / {
            try_files $uri $uri/ /index.html;
        }

        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header X-XSS-Protection "1; mode=block" always;

        gzip on;
        gzip_vary on;
        gzip_min_length 1024;
        gzip_proxied any;
        gzip_types
            text/plain
            text/css
            application/javascript
            application/json
            image/svg+xml;
    }
}