PGS-279: Installed NewRelic PHP agent

Dockerfile

@@ -67,6 +67,21 @@ RUN chmod +x /usr/local/bin/composer
 RUN curl -sL https://files.magerun.net/n98-magerun2-2.1.2.phar -o /usr/local/bin/n98-magerun2
 RUN chmod +x /usr/local/bin/n98-magerun2
 
+# Install NewRelic PHP agent
+# Next ENV variables must be populated: NEW_RELIC_LICENSE_KEY, NEW_RELIC_APP_NAME
+RUN \
+  curl -L https://download.newrelic.com/php_agent/release/newrelic-php5-10.0.0.312-linux.tar.gz | tar -C /tmp -zx && \
+  export NR_INSTALL_USE_CP_NOT_LN=1 && \
+  export NR_INSTALL_SILENT=1 && \
+  /tmp/newrelic-php5-*/newrelic-install install && \
+  rm -rf /tmp/newrelic-php5-* /tmp/nrinstall* && \
+  sed -i \
+      -e "s/\"REPLACE_WITH_REAL_KEY\"/\"\${NEW_RELIC_LICENSE_KEY}\"/" \
+      -e "s/newrelic.appname = \"PHP Application\"/newrelic.appname = \"\${NEW_RELIC_APP_NAME}\"/" \
+      -e 's/;newrelic.daemon.app_connect_timeout =.*/newrelic.daemon.app_connect_timeout=15s/' \
+      -e 's/;newrelic.daemon.start_timeout =.*/newrelic.daemon.start_timeout=5s/' \
+      /usr/local/etc/php/conf.d/newrelic.ini
+
 # Install config files and tester site
 COPY ./config/nginx /etc/nginx
 COPY ./config/php /usr/local/etc/php