nginx.conf

worker_processes auto;
worker_cpu_affinity auto;

events {
    worker_connections 1024;
    multi_accept on;
    use epoll;
}

http {
    proxy_cache_path /dev/shm/nginx levels=1:2 keys_zone=download_cache:10m max_size=1024m inactive=1m use_temp_path=off;

    server {
        listen 8000;
        server_name localhost;

        # Disable caching for /v1/log_event
        location /v1/log_event {
            proxy_pass http://127.0.0.1:8001;
            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;

            # Disable caching for this location
            proxy_cache off;
        }

        # Cache everything else
        location / {
            proxy_pass http://127.0.0.1:8001;
            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;

            # Enable caching
            proxy_cache download_cache;
            proxy_cache_methods GET POST;
            proxy_cache_key "$request_method$request_uri$http_statsig_api_key$http_accept_encoding$request_body";
            proxy_cache_use_stale updating error timeout http_500 http_502 http_503 http_504;
            proxy_cache_background_update on;
            proxy_cache_valid 200 5s;
            proxy_cache_lock on;
        }
    }
}