--- version: '3' services: slapd: build: context: slapd/ volumes: - _run_ldap:/run/slapd - ldap:/var/lib/ldap environment: LDAP_ROOTPASS: foo LDAP_DOMAIN: nowhere.com LDAP_ORGANIZATION: none phpldapadmin: build: context: phpldapadmin/ links: - slapd volumes: - _run_ldap:/run/slapd environment: PLA_BASE_DN: 'dc=nowhere,dc=com' PLA_BIND_ID: 'cn=admin,dc=nowhere,dc=com' ports: - 80:80 volumes: _run_ldap: ldap: