Knowledge Discovery 26.3
Getting Started Guide

# Use SSL/TLS Communications

Knowledge Discovery components and front end applications support SSL/TLS.

To configure the docker compose set up to use SSL/TLS

1. Modify the `idol-ssl.env` environment file to configure the SSL behavior.

   The `idol-ssl.env` file is the environment file for all the services that Docker Compose creates. This file configures the environment variable configurations that are common to all services. If required, you can also set environment variables for individual services. See SSL Environment Variable Reference.

2. Modify the `docker-compose.ssl.yml` file to define how to set up the deployment with certificates.

   You can provide these certificates (recommended), or you can provide an OpenSSL-based Certificate Authority to generate the certificates when you run the containers. See Set Up SSL/TLS Certificates and Trust Stores.

3. Modify the `docker-compose.ssl.yml` file to configure the `ssl-volume` bind volume, which provides the certificates from the host machine to the containers. By default this has the following configuration:

       x-ssl-volume: &ssl-volume
          type: bind
          source: ../ssl/intermediate
          target: /ssl

   You must adjust the `source` path to the appropriate location of certificates for your system.

   NOTE: OpenText recommends that you leave the `target` path as `/ssl`, which is required for `idol-nifi` to retrieve certificates. In all cases, the `target` path must correspond to the directory that you set in the `IDOL_SSL_CA_MOUNTDIR` environment variable (see SSL Environment Variable Reference).

4. Send the docker compose up command, including the `docker-compose.ssl.yml` file. For example:

       docker-compose -f docker-compose.yml -f docker-compose.ssl.yml up

   For the `basic-idol` setup, if you also want to include MMAP, you must also add the `docker-compose.add-mmap.ssl.yml` file to the `up` command.

   NOTE: Between the `ssl-volume` and the environment variables that you provide to the containers, the containers must be able to either find or generate a certificate for the component. If it cannot obtain an appropriate certificate, the `docker-compose up` command exits with an error.

Copyright 2026 Open Text
Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery 26.3

Topic Title: Use SSL/TLS Communications