nginx.conf

events {
    worker_connections 1024;
}

http {
    include mime.types;
    default_type application/octet-stream;
    sendfile on;
    keepalive_timeout 65;

    gzip on;
    gzip_comp_level 6;
    gzip_vary on;
    gzip_min_length 500;
    gzip_proxied any;
    gzip_types text/plain text/css application/json application/x-javascript application/javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml;
    gzip_buffers 16 8k;

    upstream api_upstream {
        server twitter-clone-api:3000;
    }

    server {
        listen 80;
        rewrite ^/(.*)/$ /$1 permanent;
        location /api {
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_pass http://api_upstream;
        }
        location / {
            root /usr/share/nginx/html;
            try_files $uri /index.html;
        }
    }
}