cleanup logging

Signed-off-by: Casey Lee <cplee@nektos.com>

pkg/container/docker_build.go

@@ -25,7 +25,7 @@ type NewDockerBuildExecutorInput struct {
 func NewDockerBuildExecutor(input NewDockerBuildExecutorInput) common.Executor {
 	return func(ctx context.Context) error {
 		logger := common.Logger(ctx)
-		logger.Infof("docker build -t %s %s", input.ImageTag, input.ContextDir)
+		logger.Infof("%sdocker build -t %s %s", logPrefix, input.ImageTag, input.ContextDir)
 		if common.Dryrun(ctx) {
 			return nil
 		}