location /api/ {
    proxy_http_version 1.1;
    proxy_cache_bypass $http_upgrade;
    proxy_pass http://localhost:5002;
    proxy_set_header Host $http_host;
    proxy_set_header Connection keep-alive;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header X-Forwarded-Proto https;
}

# see pipeline yml