Merge pull request #385 from dhuckins/logger

added interface for logger

container.go

@@ -5,8 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"log"
-	"os"
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/container"
@@ -16,9 +14,6 @@ import (
 	"github.com/testcontainers/testcontainers-go/wait"
 )
 
-// Logger is the default log instance
-var Logger = log.New(os.Stderr, "", log.LstdFlags)
-
 // DeprecatedContainer shows methods that were supported before, but are now deprecated
 // Deprecated: Use Container
 type DeprecatedContainer interface {

logger.go

@@ -0,0 +1,14 @@
+package testcontainers
+
+import (
+	"log"
+	"os"
+)
+
+// Logger is the default log instance
+var Logger Logging = log.New(os.Stderr, "", log.LstdFlags)
+
+// Logging defines the Logger interface
+type Logging interface {
+	Printf(format string, v ...interface{})
+}