From 913d2a374d9e54ed449e02add9e0f41717a59a75 Mon Sep 17 00:00:00 2001
From: Bryan Latten <latten@adobe.com>
Date: Fri, 10 Jul 2015 18:18:02 -0400
Subject: [PATCH] Opcache: detect debug env var, set performance

---
 container/root/etc/php5/mods-available/opcache.ini | 14 ++++++++++++++
 container/root/run.sh                              |  9 +++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 container/root/etc/php5/mods-available/opcache.ini

diff --git a/container/root/etc/php5/mods-available/opcache.ini b/container/root/etc/php5/mods-available/opcache.ini
new file mode 100644
index 0000000..0a07548
--- /dev/null
+++ b/container/root/etc/php5/mods-available/opcache.ini
@@ -0,0 +1,14 @@
+; configuration for php ZendOpcache module
+; priority=05
+zend_extension=opcache.so
+
+; Tuning from explanations here: https://www.scalingphpbook.com/best-zend-opcache-settings-tuning-config/
+opcache.enable=1
+opcache.max_accelerated_files=15000
+opcache.memory_consumption=128
+opcache.fast_shutdown=1
+opcache.interned_strings_buffer=16
+
+; These get added by run.sh in a production-mode environment
+;opcache.revalidate_freq=0
+;opcache.validate_timestamps=0
diff --git a/container/root/run.sh b/container/root/run.sh
index 9988427..79317bd 100755
--- a/container/root/run.sh
+++ b/container/root/run.sh
@@ -18,6 +18,15 @@ else
     echo $ENV >> $DEST_CONF
   done
 
+  if [[ $CFG_APP_DEBUG = 1 || $CFG_APP_DEBUG = '1' || $CFG_APP_DEBUG = 'true' ]]
+  then
+    echo 'Opcache set to WATCH for file changes'
+  else
+    echo 'Opcache set to PERFORMANCE'
+    echo 'opcache.revalidate_freq=0' >> /etc/php5/mods-available/opcache.ini
+    echo 'opcache.validate_timestamps=0' >> /etc/php5/mods-available/opcache.ini
+  fi
+
   echo 'Enabling Docker Config'
   a2enconf  docker-environment