How do you ensure the security and storage of secret variables in your projects?

The following practices are used to ensure security and reliable storage of secret variables in projects:

• Using secret managers: specialized services (e.g., HashiCorp Vault, AWS Secrets Manager, Azure Key Vault) allow centralized storage and management of secrets.

• Environment variables: secrets are stored in environment variables on the server or in a container, not in the code.

• Encryption: secrets are stored in encrypted form, with strict control over encryption keys.

• Access restriction: access to secrets is granted only to those services and users who need it (principle of least privilege).

• Automation of rotation: regular change of secrets reduces the risk of compromise.

• Do not store secrets in repositories: avoid commits with passwords or keys in version control systems.

Example of using environment variables in Docker:

docker run -e DB_PASSWORD=supersecret myapp

In the application, the variable DB_PASSWORD is read from the environment, not stored in the code.