Docker xdebug directory is not configurable

[johnrom]

I might be missing something, but it seems using this via docker doesn't allow me to set xdebug.profiler_out_dir because xdebug is not installed in jokkedk/webgrind. php.ini then never picks up the setting, which is never passed to webgrind, which means I cannot search a subdirectory like /tmp/cachegrind.

I have a WordPress site in Docker which has a mount to from /host/project/cachegrind/ to /tmp/cachegrind/ and I want this same directory mounted from /host/project/cachegrind/ to /tmp/cachegrind in webgrind. This is because otherwise, webgrinds own temporary files will be pushed back to the wordpress' /tmp/cachegrind/ folder. By using the subdirectory, the only files communicated will be the cachegrind files themselves.

I added the configuration by mounting /host/project/conf/webgrind.ini to /usr/local/etc/php/conf.d/webgrind.ini and can confirm that the ini is scanned via docker exec project_webgrind sh -c "php --ini", but docker exec project_webgrind sh -c "php -i | grep xdebug" returns no entries.

This variant I had no problem with used /tmp/xdebug by default which makes more sense to me, and also allowed modifications via environment variables. https://github.com/devgeniem/docker-webgrind

# This is the location where webgrind looks for the xdebug cachegrind files
XDEBUG_OUTPUT_DIR="/tmp/xdebug"

# Here webgrind then stores the temp files after analyzing the results
WEBGRIND_STORAGE_DIR="/tmp/webgrind"