diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..947f44f
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module portale-stac.it/packages/logger
+
+go 1.18
diff --git a/logger.go b/logger.go
new file mode 100644
index 0000000..3950c16
--- /dev/null
+++ b/logger.go
@@ -0,0 +1,48 @@
+// setup.go
+package logger
+
+import "io/fs"
+
+const (
+	LOGGER_MAX_MESSAGE_LENGTH = iota + 1
+
+	IMPLEMENTATION_PROPERTY_BASE_ID = 100
+)
+
+type Logger interface {
+	Debugf(templ string, args ...any)
+}
+
+type FullLogger interface {
+	Logger
+	IsDebugEnabled() bool
+	IsInfoEnabled() bool
+	DebugRawb(msg []byte)
+	Dumpf(data []byte, perm fs.FileMode, templ string, args ...any) (dumpFilePath string)
+	DebugRawf(templ string, args ...any)
+	InfoRawf(templ string, args ...any)
+	WarnRawf(templ string, args ...any)
+	ErrorRawf(templ string, args ...any)
+	Infof(templ string, args ...any)
+	Warnf(templ string, args ...any)
+	Errorf(templ string, args ...any)
+	OobLogf(templ string, args ...any)
+
+	SetRotation(maxSize int64, rotateNumber int)
+	Finalize()
+	SetProperty(propertyId int, value any) (success bool)
+	GetProperty(propertyId int) (value any)
+	GetPropertyBool(propertyId int) (value bool, ok bool)
+}
+
+type VerboseLogger interface {
+	FullLogger
+	VerboseRedf(templ string, args ...any) string
+	VerboseGreenf(templ string, args ...any) string
+	VerboseBluef(templ string, args ...any) string
+	VerboseBrownf(templ string, args ...any) string
+}
+
+type NullLogger struct{}
+
+func (self *NullLogger) Debugf(templ string, args ...any) {}
diff --git a/setup.go b/setup.go
new file mode 100644
index 0000000..08e66f1
--- /dev/null
+++ b/setup.go
@@ -0,0 +1,8 @@
+// setup.go
+package logger
+
+var LOG Logger = nil
+
+func Setup(l Logger) {
+	LOG = l
+}