[[- if and (has .proxy "address") (has .proxy "enabled") (.proxy.enabled) ]]
         HTTP_PROXY = [[ .proxy.address | toJSON ]]
         HTTPS_PROXY = [[ .proxy.address | toJSON ]]
  [[- if has .proxy "no_proxy" ]]
         NO_PROXY = [[ join .proxy.no_proxy "," | toJSON ]]
  [[- end ]]
[[- end ]]