Puphpet (https://puphpet.com/) is a great tool to build a virtual machine on your development environment, but if you need to tuning your nginx (or another service), you need to work diurect on config.yml (or config-custom.yml), file. Here we've a little example that shows us how to enable gzip on a nginx webserver. If you want to change another…

Puphpet-Config-Nginx-gzip.yml

--- more lines
nginx:
    install: '1'
    settings:
        version: present
        default_vhost: 1
        proxy_buffers: '4 256k'
        proxy_buffer_size: 128k
        proxy_connect_timeout: 600s
        proxy_send_timeout: 600s
        proxy_read_timeout: 600s
        names_hash_bucket_size: 128
        worker_processes: 1
        worker_connections: 1024
        http_access_log: 'off'
        gzip: 'on'
        http_cfg_append:
            gzip_vary: 'on'
            gzip_proxied: 'any'
            gzip_comp_level: '6'
            gzip_min_length: '256'
            gzip_buffers: '16 8k'
            gzip_http_version: '1.1'
            gzip_types: 'text/plain text/html text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript'
    upstreams: {  }
    vhosts:
    --- more lines