Use nodejs 8 (LTS) because nodejs 10 is not supported.

.travis.yml

@@ -6,7 +6,7 @@ services:
   - docker
 
 node_js:
-  - "9"
+  - "8"
 
 install:
   - npm install

docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM node:9
+FROM node:8
 
 # Copy files
 ADD . /app

docker/Dockerfile.armv7hf

@@ -3,7 +3,7 @@ FROM resin/armv7hf-debian
 RUN [ "cross-build-start" ]
 
 # Install nodejs and git
-RUN curl -sL https://deb.nodesource.com/setup_9.x | sudo -E bash -
+RUN curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
 RUN apt-get update && apt-get install -y git nodejs make g++ && rm -rf /var/lib/apt/lists/*
 
 # Copy files