more or less working entrypoint

Dockerfile

@@ -1,27 +1,40 @@
 FROM eumau/debian:buster-slim
 
-ENV OPENLDAP_ADMIN_PASSWORD="root"
+ENV LDAP_ADMIN_CN="admin"
+# admin CN, DN => cn=%%ADMIN_DN%%,%%DOMAIN_DN%%
+ENV LDAP_ADMIN_PASSWORD="admin"
+# password for cn=%%ADMIN_DN%%,%%DOMAIN_DN%%
+ENV LDAP_CONFIG_PASSWORD="${LDAP_ADMIN_PASSWORD}"
+# password for cn=admin,cn=config
+ENV LDAP_DOMAIN=""
+# domain O (example.org)
+ENV LDAP_DOMAIN_ACCESS="{0}to attrs=userPassword by self write by anonymous auth by * none\n{1}to attrs=shadowLastChange by self write by * read\n{2}to * by * read"
+# olcDbAccess attribute for domain entry (newline-separated)
+ENV LDAP_DOMAIN_DN=""
+# domain DN (dc=example,dc=org)
+ENV LDAP_DOMAIN_INDEX="cn,uid eq\nmember,memberUid eq\nobjectClass eq\nuidNumber,gidNumber eq"
+# olcDbIndex attribute for domain entry (newline-separated)
+ENV LDAP_DOMAIN_OUS="People Alias Group"
+# domain OUs (space-separated)
+ENV LDAP_MEMBEROF="true"
+# enable memberOf module
+ENV LDAP_SCHEMAS="core cosine inetorgperson misc nis"
+# space-separated list of schemas to load
 
-# space-separated list of schemas
-ENV OPENLDAP_SCHEMAS="misc"
-
-RUN apt-get update && \
-	DEBIAN_FRONTEND=noninteractive apt-get install -y \
+RUN apt-get update \
+	&& DEBIAN_FRONTEND=noninteractive apt-get install -y \
 	slapd \
         ldap-utils && \
 	apt-get clean && \
 	rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
-COPY entrypoint.sh /entrypoint.sh
-
-# ADD my_custom_schema: install by setting OPENLDAP_SCHEMAS=my_custom_schema
-# COPY my_custom_schema.ldif /etc/ldap/schema/my_custom_schema.ldif
+ADD entrypoint.sh /
 
 EXPOSE 389
 
-VOLUME ["/etc/ldap/slapd.d", "/var/lib/ldap", "/var/backups/ldap"]
+VOLUME ["/etc/ldap/schema", "/etc/ldap/slapd.d", "/var/lib/ldap", "/var/backups/ldap"]
+
+ENTRYPOINT ["/entrypoint.sh"]
 
-ENTRYPOINT ["/bin/bash", "/entrypoint.sh"]
 # log level info:
-
 CMD ["slapd", "-d", "32768", "-u", "openldap", "-g", "openldap"]