Drop support for Node.js < 10.

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: [8, 10, 12]
+        node: [10, 12]
 
     steps:
       - name: Clone repository

Dockerfile

@@ -1,5 +1,5 @@
 # Written against Docker v1.0.0
-FROM node:0.10
+FROM node:12
 MAINTAINER Chris Rebert <code@rebertia.com>
 
 RUN mkdir -p /usr/src/app

package.json

@@ -39,10 +39,10 @@
     "morgan": "^1.10.0"
   },
   "devDependencies": {
-    "xo": "^0.25.4"
+    "xo": "^0.28.0"
   },
   "engines": {
-    "node": ">=8.3.0"
+    "node": ">=10"
   },
   "files": [
     "bin/www",