Add an option to install the newrelic daemon too (#911)

Author: mlocati

README.md

@@ -418,6 +418,7 @@ Here's the list of all the supported environment variables:
 | http, intl, mongodb | `IPE_ICU_EN_ONLY=1` | Some extensions require the ICU library, use this flag to install a smaller, but English-only, ICU library on Alpine 3.16 and later |
 | pspell | `IPE_ASPELL_LANGUAGES='...'` | Configure the languages to be made available (for example: `IPE_ASPELL_LANGUAGES='en fr'`). If omitted, we'll assume `en` |
 | | `IPE_DEB_ARCHIVE` & `IPE_DEB_ARCHIVE_SECURITY` | The APT packages of very old Debian versions (eg Jessie) may have been archived: you can use these environment variables to specify custom URLs of these APT archives |
+| newrelic | `IPE_NEWRELIC_DAEMON=1` | Install the NewRelic daemon  |
 | newrelic | `NR_INSTALL_KEY` | Your New Relic license key |
 
 ## Special requirements

install-php-extensions

@@ -2377,6 +2377,11 @@ installNewRelic() {
 	installNewRelic_src="$(getPackageSource "$installNewRelic_url")"
 	cd -- "$installNewRelic_src"
 	NR_INSTALL_USE_CP_NOT_LN=1 NR_INSTALL_SILENT=1 ./newrelic-install install
+	case "${IPE_NEWRELIC_DAEMON:-}" in
+		1 | y* | Y*)
+			NR_INSTALL_USE_CP_NOT_LN=1 NR_INSTALL_SILENT=1 ./newrelic-install install_daemon
+			;;
+	esac
 	cd - >/dev/null
 	cat <<EOT
 NewRelic has been installed from $installNewRelic_url