h2o-sample.conf

user: nobody

file.custom-handler:
  extension: .php
  fastcgi.connect:
    port: /var/run/php-fpm/php-fpm.sock
    type: unix

compress: ON
file.index: [ 'index.html', 'index.htm', 'index.txt', 'index.php' ]

hosts:
  "freedom-man.com:443":
    listen:
      port: 443
      host: 0.0.0.0
      ssl:
        certificate-file: "/etc/pki/tls/certs/localhost-full.crt"
        key-file: "/etc/pki/tls/private/localhost.key"
    paths:
      "/":
        # file.etag: OFF
        mruby.handler-file: /etc/h2o/handler.rb
        file.dir: /var/www/wordpress
        redirect:
          url: /index.php/
          internal: YES
          status: 307
        mruby.handler-file: /etc/h2o/handler.rb
      "/blog":
        redirect:
          status: 301
          url:    "https://blog.freedom-man.com/"
  "freedom-man.com:80":
    listen:
      port: 80
      host: 0.0.0.0
    paths:
      "/":
        redirect:
          status: 301
          url:    "https://blog.freedom-man.com/"
access-log: /var/log/h2o/access.log
error-log: /var/log/h2o/error.log
pid-file: /var/run/h2o/h2o.pid

handler.rb

Proc.new do |env|
  headers = {}
  if /\.(css|js)\z/.match(env["PATH_INFO"])
    headers["cache-control"] = "max-age=864000"
    headers["Expires"] = "10d"
  elsif /\.(png|jpg|jpeg|gif)\z/.match(env["PATH_INFO"])
    headers["cache-control"] = "max-age=86400"
    headers["Expires"] = "1d"
  end
  [399, headers, []]
end