feat: add caarlos0/env package for environment variable management and refactor appConfig structure

go.mod

@@ -4,6 +4,7 @@ go 1.26
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.6.4
+	github.com/caarlos0/env/v11 v11.4.0
 	github.com/gaspardle/go-mssqlclrgeo v0.0.0-20160129143314-97ceabf987a4
 	github.com/google/uuid v1.6.0
 	github.com/jackc/pgx/v5 v5.9.1

go.sum

@@ -20,6 +20,8 @@ github.com/alecthomas/assert/v2 v2.10.0 h1:jjRCHsj6hBJhkmhznrCzoNpbA3zqy0fYiUcYZ
 github.com/alecthomas/assert/v2 v2.10.0/go.mod h1:Bze95FyfUr7x34QZrjL+XP+0qgp/zg8yS+TtBj1WA3k=
 github.com/alecthomas/repr v0.4.0 h1:GhI2A8MACjfegCPVq9f1FLvIBS+DrQ2KQBFZP1iFzXc=
 github.com/alecthomas/repr v0.4.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
+github.com/caarlos0/env/v11 v11.4.0 h1:Kcb6t5kIIr4XkoQC9AF2j+8E1Jsrl3Wz/hhm1LtoGAc=
+github.com/caarlos0/env/v11 v11.4.0/go.mod h1:qupehSf/Y0TUTsxKywqRt/vJjN5nz6vauiYEUUr8P4U=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

internal/app/config/main.go

@@ -1,49 +1,40 @@
 package config
 
 import (
-	"os"
+	"github.com/caarlos0/env/v11"
-	"strings"
-
 	"github.com/joho/godotenv"
 	log "github.com/sirupsen/logrus"
 )
 
-type appConfig struct {
+type AzureConfig struct {
-	SourceDbUrl string
+	AccountName string `env:"AZ_ACCOUNT_NAME"`
-	TargetDbUrl string
+	Container   string `env:"AZ_CONTAINER"`
-	LogLevel    string
+	AccountKey  string `env:"AZ_ACCOUNT_KEY"`
+	UseHTTPS    bool   `env:"AZ_USE_HTTPS" envDefault:"true"`
+	ServiceURL  string `env:"AZ_SERVICE_URL"`
+	Prefix      string `env:"AZ_PREFIX"`
+	Enabled     bool   `env:"AZ_STORAGE_ENABLED"`
 }
 
-func loadEnv() {
+type appConfig struct {
-	err := godotenv.Load()
+	SourceDbUrl string `env:"SOURCE_DB_URL,required"`
-	if err != nil {
+	TargetDbUrl string `env:"TARGET_DB_URL,required"`
-		log.Warn("Warning: could not load .env file")
+	LogLevel    string `env:"LOG_LEVEL" envDefault:"INFO"`
-	}
+	Azure       AzureConfig
 }
 
 func getAppConfig() appConfig {
-	loadEnv()
+	if err := godotenv.Load(); err != nil {
-
+		log.Warn("Could not load .env file")
-	sourceDbUrl := os.Getenv("SOURCE_DB_URL")
-	if sourceDbUrl == "" {
-		log.Fatal("SOURCE_DB_URL environment variable not set")
 	}
 
-	targetDbUrl := os.Getenv("TARGET_DB_URL")
+	cfg := appConfig{}
-	if targetDbUrl == "" {
+
-		log.Fatal("TARGET_DB_URL environment variable not set")
+	if err := env.Parse(&cfg); err != nil {
+		log.Fatalf("Error al cargar variables de entorno: %v", err)
 	}
 
-	logLevel := strings.ToUpper(os.Getenv("LOG_LEVEL"))
+	return cfg
-	if logLevel == "" {
-		logLevel = "INFO"
-	}
-
-	return appConfig{
-		SourceDbUrl: sourceDbUrl,
-		TargetDbUrl: targetDbUrl,
-		LogLevel:    logLevel,
-	}
 }
 
 var App appConfig = getAppConfig()