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docker-openldap

Usage

The most simple form would be to start the application like so (however this is
not the recommended way - see below):

$ docker run -d -p 389:389 -e SLAPD_PASSWORD="mypassword" -e SLAPD_DOMAIN="dc=example,dc=net" lcgc/openldap

To get the full potential this image offers, one should first create a data-only
container (see "Data persistence" below), start the OpenLDAP daemon as follows:

docker run -d -name openldap --volumes-from your-data-container lcgc/openldap

An application talking to OpenLDAP should then --link the container:

docker run -d --link openldap:openldap image-using-openldap

The name after the colon in the --link section is the hostname where the
OpenLDAP daemon is listening to (the port is the default port 389).

Configuration (environment variables)

For the first run, one has to set at least two environment variables. The first

SLAPD_PASSWORD

sets the password for the admin user.

The second

SLAPD_DOMAIN

sets the DC (Domain component) parts. E.g. if one sets it to ldap.example.org,
the generated base DC parts would be ...,dc=ldap,dc=example,dc=org.

Data persistence

The image exposes two directories (VOLUME ["/var/lib/openldap"]).
The first holds the "static" configurationm while the second holds the actual
database. Please make sure that these two directories are saved (in a data-only
container or alike) in order to make sure that everything is restored after a
restart of the container.

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lcgc
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