Não estou conseguindo fazer requisições para a minha aplicação

Já tentei de tudo, mas fica dando: POST https://52.91.225.218/login net::ERR_CONNECTION_REFUSED ou POST http://dateca.com.br/login net::ERR_CONNECTION_REFUSED

no log da aplicação

nginx-1  | 170.247.252.120 - - [27/Apr/2024:15:48:42 +0000] "OPTIONS /login HTTP/1.1" 405 559 "http://localhost:4200/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 Edg/124.0.0.0" "-

cat /etc/nginx/nginx.conf

#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log notice;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/doc/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    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;
    keepalive_timeout   65;
    types_hash_max_size 4096;

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

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

    server {
        listen       80;
        server_name app;

        location = /login {
             proxy_pass http://app:8080;
             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 $scheme;
             proxy_method GET POST OPTIONS; # Permitir métodos GET, POST e OPTIONS
             if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' '*';
                add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
                add_header 'Access-Control-Allow-Headers' 'Authorization,Content-Type,Accept,Origin,User-Agent,DNT,Cache-Control,X-Mx-ReqToken,Keep-Alive,X-R>                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Length' 0;
                add_header 'Content-Type' 'text/plain; charset=utf-8';
                return 204;
            }
        }    }

    server {
        listen 443 ssl;
        server_name dateca.com.br;

        # Certificado SSL
        ssl_certificate /etc/letsencrypt/live/dateca.com.br/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/dateca.com.br/privkey.pem;

        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_prefer_server_ciphers on;
        ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH";
        ssl_session_cache shared:SSL:10m;
        ssl_session_timeout 10m;
        ssl_session_tickets off;
        ssl_stapling on;
        ssl_stapling_verify on;
        resolver 8.8.8.8 8.8.4.4 valid=300s;
        resolver_timeout 5s;
        add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;

        location / {
            proxy_pass http://app:8080;
            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_method GET POST;
        }

        location = /login {
             proxy_pass http://app:8080;
             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 $scheme;
             proxy_method GET POST OPTIONS; # Permitir métodos GET, POST e OPTIONS
             if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' '*';
                add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
                add_header 'Access-Control-Allow-Headers' 'Authorization,Content-Type,Accept,Origin,User-Agent,DNT,Cache-Control,X-Mx-ReqToken,Keep-Alive,X-Requested-With,If-Modified-Since';
                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Length' 0;
                add_header 'Content-Type' 'text/plain; charset=utf-8';
                return 204;
            }
        }
        error_page 404 /404.html;
        location = /404.html {
        }

        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
        }
    }

    include /etc/nginx/default.d/*.conf;

}