Adding appropriate regex from original command

Author: Tokugero

root/etc/cont-init.d/50-config

@@ -61,8 +61,8 @@ fi
 [ -n "${APP_URL}" ] && sed -r "s,([#\s]*)?APP_URL=.*,APP_URL=${APP_URL},g" -i /config/www/.env
 
 ## Bump php upload max filesize and post max size to 100MB by default
-grep -qx 'upload_max_filesize' /config/php/php-local.ini || echo 'upload_max_filesize = 100M' >> /config/php/php-local.ini
-grep -qx 'post_max_size' /config/php/php-local.ini || echo 'post_max_size = 100M' >> /config/php/php-local.ini
+grep -qx '^upload_max_filesize.*$' /config/php/php-local.ini || echo 'upload_max_filesize = 100M' >> /config/php/php-local.ini
+grep -qx '^post_max_size.*$' /config/php/php-local.ini || echo 'post_max_size = 100M' >> /config/php/php-local.ini
 
 # check for the mysql endpoint for 30 seconds
 END=$((SECONDS+30))