Fefe's tinyldap server as Docker Image, see https://www.fefe.de/tinyldap for details
First, you need to create the binary database file. These examples are taken from the official GETTING.STARTED readme file that can be obtained by downloading the sources.
First, prepare some LDIF-data and create the database. You could also add indices etc. Please refer to the GETTING.STARTED readme.
nano exp.ldif
touch data
docker run -v exp.ldif:/opt/exp.ldif -v data:/opt/data paulritter/tinyldap /opt/parse
docker run -d -v data:/opt/data -p 389:389 paulritter/tinyldap