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Docker container that can setup and configure a vault server

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vault-init

vault-init is a useful container that can be used to automatically configure a vault server.

Behaviour

vault-init performs the following operations:

  1. Check the current vault status (with a retry mechanism that will retry to connect every 5s if the vault server is not available)
  2. Initialize the vault server (or just unseal and then exit if already initialized)
  3. Unseal the vault server and save the unseal key
  4. Create the admin policy
  5. Create the admin user (username: $VAULT_ADMIN_USERNAME and password: $VAULT_ADMIN_PASSWORD)

Configurations

You can configure the vault-init behaviour using these env variables:

  • VAULT_ENDPOINT is the endpoint of the vault server (eg. https://vault.example.com:8200)
  • VAULT_ADMIN_PASSWORD is the desired password for the admin user
  • VAULT_ADMIN_USERNAME is the desired username for the admin user
  • VAULT_UNSEAL_KEY_PATH is the path for unseal key saving

Development requirements

Development instructions

  1. Make sure the Docker daemon is up and running
  2. Run npm start or npm run start-with-build to execute vault server and vault-init containers
  3. Run npm stop to stop all the running containers

Repo structure

  • src/ folder contains all the vault-init code (Dockerfile, docker-entrypoint.sh and other configuration files)
  • vault/ folder contains the vault configuration (src/ directory) and persistence data (data/ directory)

Docker container push

In order to push the docker container image to dockerhub you can run

$ npm run publish