server {
    listen 80;
    server_name _;
    client_max_body_size 20m;

    location /api/ {
        proxy_pass http://backend:8080/api/;
        proxy_http_version 1.1;
        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_set_header Authorization $http_authorization;
        proxy_pass_request_headers on;
        proxy_connect_timeout 10s;
        proxy_send_timeout 120s;
        proxy_read_timeout 120s;
        proxy_next_upstream error timeout http_502 http_503;
        proxy_next_upstream_tries 2;
        proxy_next_upstream_timeout 10s;
    }

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