# Block all environment files .env .env-* # Allow the public template !.env-sample Use code with caution. Use Placeholders in Templates
.env-test : Used by automated testing frameworks. This file typically points to a temporary "mock" database that can be wiped clean after every test suite run.
DATABASE_URL=postgres://localhost/app_dev LOG_LEVEL=debug PORT=3000 # Block all environment files
: If sending a specific card, ensure the paper is at least 2 inches longer than the card to allow for folding room. [36]
const dotenv = require('dotenv'); const path = require('path'); // Determine which file to load const environment = process.env.NODE_ENV || 'development'; dotenv.config( path: path.resolve(process.cwd(), `.env-$environment`) ); console.log(`Running in $environment mode. API URL: $process.env.API_URL`); Use code with caution. Security Best Practices for .env- Files Security Best Practices for
# DO THIS: SENDGRID_API_KEY="your_api_key_here" # NEVER DO THIS: SENDGRID_API_KEY="SG.v938749yqihfiuahf..." Use code with caution. How to Load .env- Files in Code
Never commit actual secrets. Instead, commit a .env.example file that lists all required variables with dummy or placeholder values. This helps new team members get started. const path = require('path')
You can pass build arguments into a Docker image using --build-arg and then generate a .env file inside the image. However, this burns secrets into the image layer – not recommended. Instead, mount secrets at runtime.
: Ensure the file is readable by the user running the application but not accessible to the public.