diff --git a/2021.09/apache/Dockerfile b/2021.09/apache/Dockerfile
index c59aa5a..f5684d7 100644
--- a/2021.09/apache/Dockerfile
+++ b/2021.09/apache/Dockerfile
@@ -159,6 +159,7 @@ RUN set -ex;\
     } > /etc/apache2/conf-available/remoteip.conf;\
     a2enconf remoteip
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.09"
 ENV FRIENDICA_ADDONS "2021.09"
 ENV FRIENDICA_DOWNLOAD_SHA256 "3f33f5a63c4e9d8ea55b21a33d46663f4b1d636a6546fa3603a244583d3b6faf"
diff --git a/2021.09/fpm-alpine/Dockerfile b/2021.09/fpm-alpine/Dockerfile
index cdb74a3..0b6b66a 100644
--- a/2021.09/fpm-alpine/Dockerfile
+++ b/2021.09/fpm-alpine/Dockerfile
@@ -131,6 +131,7 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.09"
 ENV FRIENDICA_ADDONS "2021.09"
 ENV FRIENDICA_DOWNLOAD_SHA256 "3f33f5a63c4e9d8ea55b21a33d46663f4b1d636a6546fa3603a244583d3b6faf"
diff --git a/2021.09/fpm/Dockerfile b/2021.09/fpm/Dockerfile
index 658cb4d..1348f34 100644
--- a/2021.09/fpm/Dockerfile
+++ b/2021.09/fpm/Dockerfile
@@ -150,6 +150,7 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.09"
 ENV FRIENDICA_ADDONS "2021.09"
 ENV FRIENDICA_DOWNLOAD_SHA256 "3f33f5a63c4e9d8ea55b21a33d46663f4b1d636a6546fa3603a244583d3b6faf"
diff --git a/2021.12-dev/apache/Dockerfile b/2021.12-dev/apache/Dockerfile
index 9e9c0cf..ff7745c 100644
--- a/2021.12-dev/apache/Dockerfile
+++ b/2021.12-dev/apache/Dockerfile
@@ -159,6 +159,7 @@ RUN set -ex;\
     } > /etc/apache2/conf-available/remoteip.conf;\
     a2enconf remoteip
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.12-dev"
 ENV FRIENDICA_ADDONS "2021.12-dev"
 
diff --git a/2021.12-dev/fpm-alpine/Dockerfile b/2021.12-dev/fpm-alpine/Dockerfile
index b2ff3e5..d9b0c5e 100644
--- a/2021.12-dev/fpm-alpine/Dockerfile
+++ b/2021.12-dev/fpm-alpine/Dockerfile
@@ -131,6 +131,7 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.12-dev"
 ENV FRIENDICA_ADDONS "2021.12-dev"
 
diff --git a/2021.12-dev/fpm/Dockerfile b/2021.12-dev/fpm/Dockerfile
index 0ac1cd3..cff1cd6 100644
--- a/2021.12-dev/fpm/Dockerfile
+++ b/2021.12-dev/fpm/Dockerfile
@@ -150,6 +150,7 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.12-dev"
 ENV FRIENDICA_ADDONS "2021.12-dev"
 
diff --git a/2021.12-rc/apache/Dockerfile b/2021.12-rc/apache/Dockerfile
index aa570a3..eddee0f 100644
--- a/2021.12-rc/apache/Dockerfile
+++ b/2021.12-rc/apache/Dockerfile
@@ -159,6 +159,7 @@ RUN set -ex;\
     } > /etc/apache2/conf-available/remoteip.conf;\
     a2enconf remoteip
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.12-rc"
 ENV FRIENDICA_ADDONS "2021.12-rc"
 
diff --git a/2021.12-rc/fpm-alpine/Dockerfile b/2021.12-rc/fpm-alpine/Dockerfile
index f6690d9..a2f0cbb 100644
--- a/2021.12-rc/fpm-alpine/Dockerfile
+++ b/2021.12-rc/fpm-alpine/Dockerfile
@@ -131,6 +131,7 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.12-rc"
 ENV FRIENDICA_ADDONS "2021.12-rc"
 
diff --git a/2021.12-rc/fpm/Dockerfile b/2021.12-rc/fpm/Dockerfile
index 19e8e75..bfcd7a0 100644
--- a/2021.12-rc/fpm/Dockerfile
+++ b/2021.12-rc/fpm/Dockerfile
@@ -150,6 +150,7 @@ RUN set -ex; \
 VOLUME /var/www/html
 
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "2021.12-rc"
 ENV FRIENDICA_ADDONS "2021.12-rc"
 
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 805d04e..380c701 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -130,6 +130,7 @@ RUN set -ex; \
 VOLUME /var/www/html
 %%VARIANT_EXTRAS%%
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "%%VERSION%%"
 ENV FRIENDICA_ADDONS "%%VERSION%%"
 %%DOWNLOAD_SHA256%%
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index 97a6455..c5982b7 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -149,6 +149,7 @@ RUN set -ex; \
 VOLUME /var/www/html
 %%VARIANT_EXTRAS%%
 
+ENV FRIENDICA_SYSLOG_FLAGS 39 // LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR
 ENV FRIENDICA_VERSION "%%VERSION%%"
 ENV FRIENDICA_ADDONS "%%VERSION%%"
 %%DOWNLOAD_SHA256%%
diff --git a/README.md b/README.md
index 00207a6..a6f75d1 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,9 @@ There are two options to enable background tasks for Friendica:
 -	`FRIENDICA_DEBUGGING` If set to `true`, the logging of Friendica is enabled.
 -	`FRIENDICA_LOGFILE` (optional) The path to the logfile (Default: /var/www/friendica.log).
 -	`FRIENDICA_LOGLEVEL` (optional) The loglevel to log (Default: notice).
+-	`FRIENDICA_LOGGER` (optional) Set the type - stream, syslog, monolog (Default: stream).
+-	`FRIENDICA_SYSLOG_FLAGS` (optional) In case syslog is used, set the corresponding flags (Default: `LOG_PID | LOG_ODELAY | LOG_CONS | LOG_PERROR`).
+-	`FRIENDICA_SYSLOG_FACTORY` (optional) In case syslog is used, set the corresponding factory (Default: `LOG_USER`).
 
 **Database** (**required at installation**)