0.6.2

[0.6.2] - 11/Mar/2026

General

• Update the copyright text.

Docker Images

• When a Docker container is stopped and removed, then the certificate for that particular server remains in the PKI environment.
  This causes an issue when the container is started again.
• New directories in the Java-21 images to share logfiles betweeen the container and the host machine: logs/heap-dump and logs/application.
• Limit the memory usage of Docker containers and JVMs.
• Improvement in the main docker documentation.
• Fixing a Kafka configuration issue in the docker-compose.yml that prevented to connect an external Kafka tool to the cluster using the external Docker ports.
• #26: Update the binaries used in the images.
• #27: If the database has already been created, skip the creation during the first startup.
• #28: Fix this issue: /etc/profile: line 27: export: -u: invalid option.
• #29: Persistent Postgres data store using a Docker volume.
• #30: Docker container does not start after docker stop and docker start.
• #31: Make sure you shut down the Postgres server properly before stopping the container.
• #32: The shutdown_trap() bash function in shared.sh script always shows zero execution time.

Java projects

• Simplify the creation of the Kafka producer and consumer Spring Beans.
• Simplify the creation of the Kafka topics during the startup.

Known issues

• Overwriting the PKI_HOST environment variable in the Dockerfile has no effect. Probably the same issue occurs with the other variables.