ledger-db

Ledger Database Service

The ledger-db service is an append-only ledger that acts as the source of truth for all transaction data.

The container is a standard postgres image, with an added script to insert some default transaction data on first launch.

Implemented using Postgres.

Environment Variables

• ConfigMap environment-config:

  • LOCAL_ROUTING_NUM
    • the routing number for our bank

• ConfigMap demo-data-config:

  • USE_DEMO_DATA
    • adds demo transaction data to the ledger when initialized if True
    • data is initialized with /src/ledger-db/initdb/1_create_transactions.sh

• ConfigMap ledger-db-config:

  • POSTGRES_DB
    • database name
  • POSTGRES_USER
    • database username
  • POSTGRES_PASSWORD
    • database password

Kubernetes Resources

• deployments/ledger-db
• service/ledger-db