global
  log 127.0.0.1   local0 warning 
  log 127.0.0.1   local1
  chroot /var/lib/haproxy
  stats socket /run/haproxy_admin.sock mode 660 level admin
  stats timeout 30s
  user haproxy
  group haproxy
  daemon
  maxconn 5000
  lua-load /var/app/deploy/haproxy-lua-cors/cors.lua
  lua-load /var/app/deploy/haproxy-lua-cachecontrol/cachecontrol.lua

  # Default SSL material locations
  ca-base /etc/ssl/certs
  crt-base /etc/ssl/private

defaults
  log     global
  mode    http
  retries 3
  timeout check 60s
  timeout client 200s
  timeout connect 200s
  timeout http-keep-alive 65s
  timeout queue 1m
  timeout server 200s
  option httplog
  option redispatch
  balance roundrobin

listen stats
  bind *:8888
  mode http
  option httpclose
  stats refresh 10s
  stats uri /haproxy-status
  stats realm Haproxy\ Statistics

frontend grass_frontend
  bind *:8080
  mode http
  acl valid_http_method method GET POST PUT HEAD PATCH OPTIONS DELETE
  http-request deny if ! valid_http_method
  http-request add-header X-Forwarded-Proto http
  http-request lua.cors
  http-response lua.cors "GET,POST,PUT,HEAD,PATCH,OPTIONS,DELETE" "*"
  http-response add-header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"
  http-response add-header X-Content-Type-Options nosniff
  http-response add-header X-Frame-Options SAMEORIGIN
  http-response add-header Referrer-Policy same-origin
  http-response lua.cachecontrol
  option forwardfor
  default_backend grass_backend

backend grass_backend
  server grass_process01 127.0.0.1:8000 check inter 3000 rise 2 fall 3
  server grass_process02 127.0.0.1:8001 check inter 3000 rise 2 fall 3
  server grass_process03 127.0.0.1:8002 check inter 3000 rise 2 fall 3
  server grass_process04 127.0.0.1:8003 check inter 3000 rise 2 fall 3
  server grass_process05 127.0.0.1:8004 check inter 3000 rise 2 fall 3
  server grass_process06 127.0.0.1:8005 check inter 3000 rise 2 fall 3
  server grass_process07 127.0.0.1:8006 check inter 3000 rise 2 fall 3
  server grass_process08 127.0.0.1:8007 check inter 3000 rise 2 fall 3
  option httpchk GET /hello/