Use any version of node 8

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2.0
 jobs:
     build:
         docker:
-            - image: circleci/node:8.9.4
+            - image: circleci/node:8
         steps:
             - checkout
             - run:

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:8.10.0-alpine
+FROM node:8-alpine
 
 COPY ./src /app/src
 COPY ./package.json /app/package.json

package.json

@@ -15,7 +15,7 @@
     "lint": "tslint src/**/*.ts --project tsconfig.json"
   },
   "engines": {
-    "node": "8.10.0"
+    "node": "8"
   },
   "repository": {
     "type": "git",