cover-letter-templater/backend/config/config.go

package config

import (
	"log"
	"os"
)

func defaultValue(val string, def string) string {
	if val == "" {
		return def
	}
	return val
}

var Env map[string]string

func LoadEnv() {
	// Create object where to store used variables
	Env = make(map[string]string)

	// Get env variables that will be used while server is running
	Env["db"] = defaultValue(os.Getenv("POSTGRES_DB"), "postgresql://postgres:postgres@db:5432/cover-letter")
	Env["JWT_SECRET"] = defaultValue(os.Getenv("JWT_SECRET"), "just a random string here")
	Env["Environment"] = defaultValue(os.Getenv("Environment"), "dev")
	Env["CHATGPT_KEY"] = defaultValue(os.Getenv("CHATGPT_KEY"), "")
	Env["REGISTER"] = defaultValue(os.Getenv("ALLOW_REGISTER"), "true")
	log.Printf("[INFO] Register set to '%s'\n", Env["REGISTER"])
	Env["CHATGPT_MODEL"] = defaultValue(os.Getenv("CHATGPT_MODEL"), "gpt-4o")
	log.Printf("[INFO] ChatGPT model set to '%s'\n", Env["CHATGPT_MODEL"])
	Env["DOMAIN"] = defaultValue(os.Getenv("DOMAIN"), "localhost")
	log.Printf("[INFO] Domain set to '%s'\n", Env["DOMAIN"])
}