Bugfix "slapadd: (..) )attribute 'dc' cannot have multiple values"

Dockerfile

@@ -22,6 +22,7 @@ COPY ./docker/ /
 
 # OpenLDAP
 ENV DOMAIN_NAME="local"
+ENV DOMAIN_NAME_DC="local"
 ENV LDAPCONF=/etc/openldap/slapd.conf
 ENV LDAP_CONF_DIR=/etc/openldap/slapd.d
 ENV LDAP_INIT_DIR=/var/lib/openldap/openldap-init

README.md

@@ -20,7 +20,8 @@ Based on:
 
 ## Environment Variables you should set
 
-- `DOMAIN_NAME` -- Domain name for LDAP suffix
+- `DOMAIN_NAME` -- Domain name for LDAP suffix (i.e.: `example.com`)
+- `DOMAIN_NAME_DC` -- [DomainComponent] for LDAP database (single word, no dots, i.e.: `example`)
 - `LDAP_ROOT_USERNAME` -- root/admin user name for [OpenLDAP]
 - `LDAP_ROOT_PASSWORD` -- password for [OpenLDAP] root/admin user \*
 
@@ -75,6 +76,7 @@ Based on:
 MIT
 
 
+[DomainComponent]: https://ldapwiki.com/wiki/DomainComponent
 [LDIF]: https://www.openldap.org/software//man.cgi?query=LDIF&sektion=5&apropos=0&manpath=OpenLDAP+2.4-Release
 [OpenLDAP]: https://www.openldap.org/
 [nginx]: https://www.nginx.com/

docker/docker-entrypoint.d/openldap/base-init.template.ldif

@@ -1,6 +1,6 @@
 dn: ${LDAP_DN}
 objectClass: dcObject
 objectClass: organization
-${LDAP_DC_VERTICAL}
+dc: ${DOMAIN_NAME_DC}
 o: ${DOMAIN_NAME}
 description: Example directory

docker/docker-entrypoint.sh

@@ -114,12 +114,9 @@ readonly LDAP_DN="dc=${DOMAIN_NAME//\./,dc=}"
 readonly LDAP_ROOTDN="cn=${LDAP_ROOT_USERNAME},${LDAP_DN}"
 # shellcheck disable=SC2154
 readonly LDAP_ROOTPW="${LDAP_ROOT_PASSWORD}"
-# shellcheck disable=SC2001
-readonly LDAP_DC_VERTICAL=$(echo "${LDAP_DN//=/: }" | sed 's/,/\n/g')
 export LDAP_DN
 export LDAP_ROOTDN
 export LDAP_ROOTPW
-export LDAP_DC_VERTICAL
 
 init_nginx
 init_openldap