feat: optional S3-compatible storage for uploaded images, instead of the local upload directory

internal/infrastructure/config/settings.go

@@ -29,6 +29,7 @@ type Settings struct {
 	JWTSecret          string
 	DBFile             string
 	Database           DatabaseSettings
+	Storage            StorageSettings
 	DataDirPath        string
 	Port               string
 	Smtp               SmtpSettings
@@ -71,6 +72,11 @@ func NewSettingsFromEnv() (Settings, error) {
 		return Settings{}, err
 	}
 
+	storage, err := storageSettingsFromEnv()
+	if err != nil {
+		return Settings{}, err
+	}
+
 	return Settings{
 		Environment:        os.Getenv("ENVIRONMENT"),
 		CorsAllowedOrigins: parseSemicolonSeparatedList(os.Getenv("CORS_ALLOWED_ORIGINS")),
@@ -79,6 +85,7 @@ func NewSettingsFromEnv() (Settings, error) {
 		JWTSecret:          os.Getenv("JWT_SECRET"),
 		DBFile:             os.Getenv("DB_FILE"),
 		Database:           database,
+		Storage:            storage,
 		DataDirPath:        os.Getenv("DATA_DIR"),
 		Port:               os.Getenv("PORT"),
 		Smtp: SmtpSettings{