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tdi_base.md

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TDI base image

In this guide, we'll walk through creating a Docker image for TDI. This image will contain an installed TDI server that will serve as the base image for a TDI for Connections image.

Steps

  1. On the Docker host system, create a directory to hold the image artifacts. For this guide, we'll use ~/images/tdi/base.

  2. Change to the ~/images/tdi/base directory.

  3. Download the Dockerfile from https://raw.githubusercontent.com/chscott/ConnectionsDocker/master/tdi/base/Dockerfile.

    $ curl -L -O -J -s -S -f https://raw.githubusercontent.com/chscott/ConnectionsDocker/master/tdi/base/Dockerfile

  4. Create the ~/images/tdi/base/setup directory.

  5. Change to the ~/images/tdi/base/setup directory.

  6. Download entrypoint.sh from https://raw.githubusercontent.com/chscott/ConnectionsDocker/master/tdi/base/entrypoint.sh.

    $ curl -L -O -J -s -S -f https://raw.githubusercontent.com/chscott/ConnectionsDocker/master/tdi/base/entrypoint.sh

  7. Make the entrypoint.sh script executable.

    $ chmod u+x entrypoint.sh

  8. At this point, you should have the following directories/files:

    • ~/images/tdi/base/Dockerfile
    • ~/images/tdi/base/setup/entrypoint.sh

  9. Change to the ~/images/tdi/base directory.

  10. Build the image.

    $ docker build -t tdi/7.1.1.6/preinstall .

  11. Confirm the image was created successfully.

    $ docker image ls

  12. Change to the home directory and download env-tdi-base.txt from https://raw.githubusercontent.com/chscott/ConnectionsDocker/master/tdi/base/env-tdi-base.txt.

    $ curl -L -O -J -s -S -f https://raw.githubusercontent.com/chscott/ConnectionsDocker/master/tdi/base/env-tdi-base.txt

  13. Open env-tdi-base.txt and update the URLs for your environment. These are the locations at which the TDI install and fixpack packages plus the required DB2 JARs are hosted in your environment. These files will be downloaded during installation.

  14. Run a container based on the new TDI base image.

    $ docker run --name tdi_install --env-file ~/env-tdi-base.txt -it tdi/7.1.1.6/preinstall

  15. Run the entrypoint.sh script and confirm TDI installs successfully.

    $ ./entrypoint.sh

  16. Delete the /setup directory inside the container. This directory holds installation artifacts that are not needed moving forward. Deleting them now reduces the size of the image we are about to create.

    $ cd /
$ rm -f -r /setup

  17. Exit the container shell.

    $ exit

  18. Commit the changes made to the tdi_install container to a new image.

    $ docker commit tdi_install tdi/7.1.1.6/base

  19. Confirm the image was created successfully.

    $ docker image ls

  20. Remove the tdi_install container, as it is no longer needed.

    $ docker container rm tdi_install

  21. Remove the preinstall image, as it is no longer needed.

    $ docker image rm tdi/7.1.1.6/preinstall

  22. Delete env-tdi-base.txt, as it is no longer needed.

    $ rm ~/env-tdi-base.txt

You have now successfully created the TDI base image.