Aligning Env Var Existing Checks in New Relic Startup

Author: jimdelois

container/root/run.d/07-newrelic.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # When both App ID and license are provided, automatically enable extension
-if [ $REPLACE_NEWRELIC_APP ] && [ $REPLACE_NEWRELIC_LICENSE ]
+if [[ $REPLACE_NEWRELIC_APP ]] && [[ $REPLACE_NEWRELIC_LICENSE ]]
 then
   echo "[newrelic] enabling APM metrics for ${REPLACE_NEWRELIC_APP}"
   sed -i 's/;extension\s\?=/extension =/' $CONF_PHPMODS/newrelic.ini