We use node 10 now (#7422)

.nvmrc

@@ -1 +1 @@
-8.15.0
+10.15.0

.travis.yml

@@ -3,18 +3,18 @@ _aliases:
   - &tox
     language: python
     python: 3.6
-    before_install: nvm install 8
+    before_install: nvm install 10
     install: pip install tox
     script: tox
   - &node-prod
     # This is the NodeJS version we run in production.
     language: node_js
-    node_js: '8'
+    node_js: '10'
     before_install: npm install -g yarn
   - &node-next
     # This is the next NodeJS version we will support.
     language: node_js
-    node_js: '10'
+    node_js: '11'
     before_install: npm install -g yarn
 services:
   - docker
@@ -30,6 +30,10 @@ script: FORCE_COLOR=0 yarn $COMMAND
 # See: https://github.com/mozilla/addons-frontend/issues/3034
 install: yarn install --pure-lockfile
 
+matrix:
+  allow_failures:
+    - node_js: '11'
+
 jobs:
   include:
     # Test the build process.
@@ -82,8 +86,7 @@ jobs:
       <<: *tox
       env: TOXENV=dennis-lint
     - stage: Storybook deployment
+      <<: *node-prod
       if: branch = master AND type = push AND fork = false
-      language: node_js
-      node_js: '8'
       script: echo "Deploying to GitHub Pages..."
       after_success: yarn storybook-deploy --ci > /dev/null 2>&1

README.md

@@ -19,7 +19,7 @@ Never submit security-related bugs through a Github Issue or by email.
 
 ## Requirements
 
-- You need [Node](https://nodejs.org/) 8.x which is the current [LTS](https://github.com/nodejs/LTS) (long term support) release.
+- You need [Node](https://nodejs.org/) 10.x which is the current [LTS](https://github.com/nodejs/LTS) (long term support) release.
 - Install [yarn](https://yarnpkg.com/en/) to manage dependencies and run scripts.
 
 The easiest way to manage multiple node versions in development is to use [nvm](https://github.com/creationix/nvm).

package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "private": true,
   "engines": {
-    "node": ">=8.10"
+    "node": ">=10.15"
   },
   "scripts": {
     "build": "npm run clean && better-npm-run build",