CODE EXAMPLE FOR TYPESCRIPT

nginx rest api caching

proxy_cache_path /var/cache/nginx 
        keys_zone=cache_test:10m 
        levels=1:2 
        inactive=2M 
        max_size=10g
        use_temp_path=off;

proxy_cache_key $scheme$proxy_host$request_uri;
proxy_cache_methods GET;

log_format cache '$remote_addr - $remote_user [$time_local] "$request" $status $body_bytes_sent "$http_referer" "$http_user_agent" cs=$upstream_cache_status';

server {

        listen 3001;

        access_log /var/log/nginx/cache_test-proxy.access.log cache;
        error_log  /var/log/nginx/cache_test-cache.error.log;

        set $backend http://127.0.0.1:3000;

        location / {
                proxy_pass $backend;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection 'upgrade';
                proxy_set_header Host $host;
                proxy_cache_bypass $http_upgrade;
        }

        location /products {
                proxy_pass $backend;
                proxy_cache_bypass $http_pragma;
                proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;
                proxy_cache_background_update on;
                proxy_cache_lock on;

                add_header X-Cache-Status $upstream_cache_status;

                proxy_cache cache_test;
                proxy_cache_valid 200 304 30s;
        }
}