app-api/internal/config/redis.go

package config

import (
	"fmt"
	"os"
	"strconv"
)

type RedisConfig struct {
	Host     string
	Port     int
	Password string
	Database int
}

func loadRedis(env string) RedisConfig {
	if os.Getenv("REDIS_HOST") != "" {
		return redisFromEnv()
	}

	switch env {
	case "production":
		return RedisConfig{
			Host:     "172.31.38.162",
			Port:     16279,
			Password: getEnv("REDIS_PASSWORD", "eafon123!"),
			Database: 1,
		}
	default:
		return RedisConfig{
			Host:     "localhost",
			Port:     6379,
			Password: "",
			Database: 1,
		}
	}
}

func redisFromEnv() RedisConfig {
	port, _ := strconv.Atoi(getEnv("REDIS_PORT", "16279"))
	db, _ := strconv.Atoi(getEnv("REDIS_DATABASE", "1"))

	return RedisConfig{
		Host:     os.Getenv("REDIS_HOST"),
		Port:     port,
		Password: os.Getenv("REDIS_PASSWORD"),
		Database: db,
	}
}

func (r RedisConfig) validate() error {
	if r.Host == "" {
		return fmt.Errorf("redis host is required")
	}
	return nil
}