events {
    worker_connections 1024;
}

http {
    upstream minio_s3 {
        least_conn;
        server minio1:9000;
        server minio2:9000;
        server minio3:9000;
        server minio4:9000;
    }

    upstream minio_console {
        least_conn;
        server minio1:9001;
        server minio2:9001;
        server minio3:9001;
        server minio4:9001;
    }

    server {
        listen 9000;
        server_name _;

        # Allow special characters in headers
        ignore_invalid_headers off;
        # Allow any size file to be uploaded
        client_max_body_size 0;
        # Disable buffering
        proxy_buffering off;
        proxy_request_buffering off;

        location / {
            proxy_pass http://minio_s3;
            proxy_set_header Host $http_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_connect_timeout 300;
            # Default is HTTP/1, keepalive is only enabled in HTTP/1.1 and higher
            proxy_http_version 1.1;
            proxy_set_header Connection "";
            chunked_transfer_encoding off;
        }
    }

    server {
        listen 9001;
        server_name _;

        # Allow special characters in headers
        ignore_invalid_headers off;
        # Allow any size file to be uploaded
        client_max_body_size 0;
        # Disable buffering
        proxy_buffering off;
        proxy_request_buffering off;

        location / {
            proxy_pass http://minio_console;
            proxy_set_header Host $http_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_connect_timeout 300;
            proxy_http_version 1.1;
            proxy_set_header Connection "";
            chunked_transfer_encoding off;
        }
    }
}