func main() // Load the base .env file (silently ignore if it's not there) _ = godotenv.Load(".env.go")
return godotenv.Load(".env", ".env.local")
package main
To tie everything together, here is a checklist of best practices you should adopt today. .env.go.local
While Go's standard library provides os.Getenv and os.LookupEnv to retrieve environment variables, it does not natively parse .env files out of the box. To use files like .env.go.local , you will need a parser. Learn how to use .env files in Go projects
( .env.go.local ). Notice how it redefines only the variables it needs to change, leaving the others as they are. This file is in your .gitignore , so it stays on your machine.
: It allows you to override shared settings (like a database URL) with your own local setup without affecting the rest of the team. func main() // Load the base
DB_HOST=localhost DB_USER=root DB_PASSWORD=password123 LOG_LEVEL=VERBOSE_DEBUG
cfg := &Config Port: os.Getenv("APP_PORT"), DBURL: os.Getenv("DATABASE_URL"), APIKey: os.Getenv("API_KEY"),
Add a .env.example file to your repository that documents all required variables without exposing sensitive values: Learn how to use
At 5:15 AM, with caffeine failing to keep the hallucinations of sleep at bay, Elias decided to strip the code bare. He started grep ing the entire project directory for hardcoded strings.
The common solution is to ignore .env in git and share a .env.example . But then everyone overwrites each other’s local overrides when pulling, or worse—they accidentally commit real secrets.