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Updating Pantheon

Updating infrastructure between major versions takes some effort, because sometimes newer versions are incompatible with older ones. In general, the process is the following:

  • Ensure no games are in progress now.
  • Stop your reverse proxy (e.g. sudo systemctl stop nginx on your host system)
  • Go to pantheon folder (all further actions are performed from there)
  • Export pantheon database with make db_export. It will produce export.tar.gz file in Database folder. Copy it somewhere just in case.
  • Stop all containers with make prod_stop_all.
  • Ensure all the pantheon containers are stopped with docker ps, if there are something left, you need to stop them manually with docker stop CONTAINER_ID.
  • (optional, will free some disk space) Inspect and remove the stopped containers and their images:
    • Use docker ps -a to view all the containers including stopped ones
    • Use docker images to view all the images
    • Use docker rm CONTAINER_ID to remove the container
    • Use docker rmi IMAGE_ID to remove the image
  • Checkout newer version of the code with git fetch && git checkout origin/master.
  • Pull newer version of the containers with make pull.
  • Start the containers with make prod_start.
    • Note that newer version of the code uses different database storage volume. This allows a safer rollback if required (but in the same time it requires doing export/import of the data).
  • Import your saved data with make db_import. It will use the export.tar.gz file saved in Database folder, it should be still there (unless you cleaned something). If it's not, copy it there from where you saved it last time before running import. Import might output some errors, the ones related to deleting tables can be ignored safely.
  • Run make prod_compile to update the frontend code.
  • Restart your reverse proxy (e.g. sudo systemctl start nginx on your host system).

After all the steps completed, check if everything works as expected.

When do I need to use this instruction?

❗ If your current revision is older or equal to the following ones, the update to last master will require the process described above: