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Frontend Service

The frontend service manages the user-facing web interface for the application.

Implemented in Python with Flask.

Endpoints

Endpoint Type Auth? Description
/ GET 🔒 Renders /home or /login based on authentication status. Must always return 200
/deposit POST 🔒 Submits a new external deposit transaction to ledgerwriter
/home GET 🔒 Renders homepage if authenticated Otherwise redirects to /login
/login GET Renders login page if not authenticated. Otherwise redirects to /home
/login POST Submits login request to userservice
/logout POST 🔒 delete local authentication token and redirect to /login
/payment POST 🔒 Submits a new internal payment transaction to ledgerwriter
/ready GET Readiness probe endpoint.
/signup GET Renders signup page if not authenticated. Otherwise redirects to /home
/signup POST Submits new user signup request to userservice
/version GET Returns the contents of $VERSION

Environment Variables

  • VERSION

    • a version string for the service

  • PORT

    • the port for the webserver

  • SCHEME

    • the URL scheme to use on redirects (http or https)

  • DEFAULT_USERNAME

    • a string to pre-populate the "username" field. Optional

  • DEFAULT_PASSWORD

    • a string to pre-populate the "password" field. Optional

  • BANK_NAME

    • a string that will be shown in the navbar to indicate the name of the bank. Optional, defaults to Bank of Anthos

  • CYMBAL_LOGO

    • boolean, set to true to toggle the CymbalBank logo and name. Defaults to false.

  • ConfigMap environment-config:

    • LOCAL_ROUTING_NUM
      • the routing number for our bank
    • PUB_KEY_PATH
      • the path to the JWT signer's public key, mounted as a secret

  • ConfigMap service-api-config:

    • TRANSACTIONS_API_ADDR
      • the address and port of the ledgerwriter service
    • BALANCES_API_ADDR
      • the address and port of the balancereader service
    • HISTORY_API_ADDR
      • the address and port of the transactionhistory service
    • CONTACTS_API_ADDR
      • the address and port of the contacts service
    • USERSERVICE_API_ADDR
      • the address and port of the userservice

Kubernetes Resources