Filter containers with no exposed ports unless they have a traefik.port label

provider/docker.go

@@ -196,11 +196,11 @@ func (provider *Docker) loadDockerConfig(containersInspected []dockertypes.Conta
 }
 
 func containerFilter(container dockertypes.ContainerJSON) bool {
-	if len(container.NetworkSettings.Ports) == 0 {
+	_, err := strconv.Atoi(container.Config.Labels["traefik.port"])
-		log.Debugf("Filtering container without port %s", container.Name)
+	if len(container.NetworkSettings.Ports) == 0 && err != nil {
+		log.Debugf("Filtering container without port and no traefik.port label %s", container.Name)
 		return false
 	}
-	_, err := strconv.Atoi(container.Config.Labels["traefik.port"])
 	if len(container.NetworkSettings.Ports) > 1 && err != nil {
 		log.Debugf("Filtering container with more than 1 port and no traefik.port label %s", container.Name)
 		return false

provider/docker_test.go

@@ -250,6 +250,20 @@ func TestDockerGetPort(t *testing.T) {
 		// 	},
 		// 	expected: "80",
 		// },
+		{
+			container: docker.ContainerJSON{
+				ContainerJSONBase: &docker.ContainerJSONBase{
+					Name: "test",
+				},
+				Config: &container.Config{
+					Labels: map[string]string{
+						"traefik.port": "8080",
+					},
+				},
+				NetworkSettings: &docker.NetworkSettings{},
+			},
+			expected: "8080",
+		},
 		{
 			container: docker.ContainerJSON{
 				ContainerJSONBase: &docker.ContainerJSONBase{
@@ -263,7 +277,7 @@ func TestDockerGetPort(t *testing.T) {
 				NetworkSettings: &docker.NetworkSettings{
 					NetworkSettingsBase: docker.NetworkSettingsBase{
 						Ports: nat.PortMap{
-							"80/tcp": {}, // TODO: Change so there is no exposed port
+							"80/tcp": {},
 						},
 					},
 				},