custom entrypoint with ulimit

Dockerfile

@@ -30,6 +30,7 @@ RUN apt-get update \
 
 ADD setup /start.d
 ADD confd /etc/confd/
+ADD entrypoint.sh /
 
 EXPOSE 389
 

entrypoint.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -e
+/usr/local/bin/confd -onetime -backend env
+run-parts -v /start.d
+ulimit -n 1024
+exec ${@}

setup

@@ -4,7 +4,7 @@ assert(){ [[ $? -eq 0 ]] || { [[ -n ${1} ]] && echo ${@} ; exit 1 ; } }
 # from https://github.com/dinkel/docker-openldap/blob/master/entrypoint.sh:
 # When not limiting the open file descritors limit, the memory consumption of
 # slapd is absurdly high. See https://github.com/docker/docker/issues/8231
-ulimit -n 8192
+ulimit -n 1024
 
 chown -R openldap:openldap /var/lib/ldap
 assert "FATAL: could not set required directory permissions"