use php-fpm config to point to stdout/stderr

instead of making a symlink in Dockerfile
this fixes the issue with the log messages appearing two times

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Container image version
 # Note: the version here is from `ELABIMG_VERSION` present in Dockerfile, not the tagged one
 
+# 5.0.1
+
+* Fix issue with messages being logged two times (error log)
+
 # 5.0.0
 
 * Change the default value of ``PHP_MAX_MEMORY`` from 256M (256 Mb) to 2G (2 Gb).

Dockerfile

@@ -135,7 +135,7 @@ RUN abuild-keygen -n -a && abuild && find /home/builder/packages -type f -name '
 FROM alpine:3.18
 
 # this is versioning for the container image
-ENV ELABIMG_VERSION=5.0.0
+ENV ELABIMG_VERSION=5.0.1
 
 # the target elabftw version is passed with --build-arg
 # it is a mandatory ARG
@@ -214,9 +214,6 @@ RUN apk upgrade -U -a && apk add --no-cache \
 RUN mv /usr/bin/php81 /usr/bin/php81-real
 COPY ./src/php/phpwithenv /usr/bin/php81
 
-# redirect all the php-fpm errors to stderr
-RUN ln -sf /dev/stderr /var/log/php81/error.log
-
 # S6-OVERLAY
 # install s6-overlay, our init system. Workaround for different versions using TARGETPLATFORM
 # platform see https://docs.docker.com/engine/reference/builder/#automatic-platform-args-in-the-global-scope

src/php/elabpool.conf

@@ -1,5 +1,6 @@
 ; Start a new pool named 'elabpool'.
 [elabpool]
+access.log = /dev/stdout
 
 ; Unix user/group of processes
 ; Note: The user is mandatory. If the group is not set, the default user's group
@@ -118,3 +119,4 @@ env[ELAB_AWS_ACCESS_KEY] = "%ELAB_AWS_ACCESS_KEY%"
 env[ELAB_AWS_SECRET_KEY] = "%ELAB_AWS_SECRET_KEY%"
 
 php_admin_value[memory_limit] = %PHP_MAX_MEMORY%
+php_admin_value[error_log] = /dev/stderr