.env.python.local 2021
# .git/hooks/pre-commit if git diff --cached --name-only | grep -E "\.env(\.|$)" | grep -v "\.env\.example"; then echo "ERROR: Attempting to commit environment file containing secrets!" exit 1 fi
Hardcoding credentials directly into source code introduces severe security liabilities and deployment friction. Using a dedicated local environment file resolves several critical issues: Security and Information Leakage
# Environment files (DO NOT commit actual .env files) .env .env.local .env.python.local .env.production .env.* !.env.example .env.python.local
– Regularly rotate API keys, database passwords, and other credentials to minimize the impact of potential exposure. Automated rotation with tools like HashiCorp Vault or cloud provider secret management services helps maintain security without downtime.
: Machine-specific developer overrides.
config = **dotenv_values(".env.shared"), # Shared development variables **dotenv_values(".env.secret"), # Sensitive variables (not committed) **dotenv_values(".env.local"), # Local overrides **os.environ, # Actual environment (highest priority)
Alternatively, specify the .env file to load at runtime: : Machine-specific developer overrides
The most common, lightweight package for parsing configuration files in Python is python-dotenv on PyPI. 1. Install the Package First, install the package using pip: pip install python-dotenv Use code with caution. 2. Create Your Environment Files
With envo , you can define environment variables directly in Python and activate shells that automatically reload when files change. Install the Package First, install the package using
# Ignore all local environment files .env.*.local .env.local .env.python.local Use code with caution. 2. Distribute a .env.example Template
