events { }

http {
    limit_req_zone $binary_remote_addr zone=kekkai:10m rate=10r/s;
    # Change the number '10' to your own, to change the threshold number for rate limit

    upstream server_backend {
        server server:3000;
    }

    upstream chart_backend {
        server chart:3030;
    }

    server {
        listen 80;
        server_name localhost; # Your domain

        limit_req zone=kekkai;

        return 301 https://$host$request_uri$is_args$args;
    }

    server {
        listen 443 ssl;
        server_name localhost; # Your domain

        ssl_certificate /etc/nginx/ssl/fullchain.pem;
        ssl_certificate_key /etc/nginx/ssl/privkey.pem;

        limit_req zone=kekkai;

        location / {
            limit_req zone=kekkai burst=4;

            add_header Access-Control-Allow-Origin *;
            proxy_pass http://server_backend;
            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;
        }

        location /api/getChart {
            limit_req zone=kekkai burst=4;

            add_header Access-Control-Allow-Origin *;
            proxy_pass http://chart_backend;
            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;
        }

        location /static/chart {
            limit_req zone=kekkai burst=4;

            add_header Access-Control-Allow-Origin *;
            proxy_pass http://chart_backend;
            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;
        }

        location /robots.txt {
            alias /etc/nginx/robots.txt;
        }
        
        location /favicon.ico {
            alias /etc/nginx/assets/logo.png;
        }
    }
}