diff --git a/Dockerfile b/Dockerfile
index d3df585..faa6b33 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -35,7 +35,8 @@ COPY php-errors.ini /usr/local/etc/php/conf.d/glenux-errors.ini
 RUN curl -sS https://getcomposer.org/installer \
   | php -- --install-dir=/usr/local/bin --filename=composer
 
-ENV DOLIBARR_VERSION=19.0.2
+ENV DOLIBARR_VERSION=20.0.3
+# ENV DOLIBARR_VERSION=19.0.2
 # ENV DOLIBARR_VERSION=18.0.4
 # ENV DOLIBARR_VERSION=17.0.2
 # ENV DOLIBARR_VERSION=16.0.4
diff --git a/php-errors.ini b/php-errors.ini
index fc02f22..3cd7201 100644
--- a/php-errors.ini
+++ b/php-errors.ini
@@ -1,4 +1,10 @@
 error_reporting = E_ALL & ~E_WARNING & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED
+
+## For production
+# display_errors = Off
+# error_log = /dev/stderr
+
+## For debugging
 display_errors = Off
 
 log_errors = On