Question

Your team runs a self-hosted Nautobot source-of-truth stack using Docker Compose. After running 'docker compose down' and 'docker compose up' to apply an updated image tag, the network engineers report that all previously entered device inventory data is gone. Reviewing the compose file, you see the postgres service defined as:

db:
    image: postgres:14
    environment:
      POSTGRES_DB: nautobot
    tmpfs:
      - /var/lib/postgresql/data

Which change to the Compose file will ensure the inventory data survives container recreation?

Accepted Answer

Replace the tmpfs mount with a named volume mapped to /var/lib/postgresql/data and declare it under the top-level volumes: key

Answer

Add 'restart: always' to the db service so the container preserves its filesystem across restarts

Answer

Add a 'depends_on: - db' entry to the nautobot service so the database starts before the app

Answer

Change the image tag from postgres:14 to postgres:latest so schema migrations are applied automatically