update node to 16 and npm to 8

.circleci/config.yml

@@ -3,7 +3,7 @@ version: 2.1
 executors:
     node:
         docker:
-            - image: cimg/node:14.17
+            - image: cimg/node:16.15
               auth:
                 username: $DOCKER_USER
                 password: $DOCKER_PASS
@@ -18,7 +18,7 @@ executors:
             image: ubuntu-2004:202107-02
 
 orbs:
-    node: circleci/node@4.7.0
+    node: circleci/node@5.0.2
     python: circleci/python@1.4.0
 
 jobs:

Dockerfile

@@ -1,8 +1,4 @@
-FROM node:14.17-alpine
-
-# Add glibc packages missing from Alpine to satisfy node-canvas, a @wdio dependency
-# https://github.com/node-gfx/node-canvas-prebuilt/issues/77
-RUN apk add --update --no-cache make g++ jpeg-dev cairo-dev pango-dev
+FROM node:16.15-alpine
 
 RUN addgroup -g 10001 app && \
     adduser -D -G app -h /app -u 10001 app

package.json

@@ -51,8 +51,8 @@
     "stylelint-config-standard": "^26.0.0"
   },
   "engines": {
-    "node": "14.17.x",
-    "npm": "6.x"
+    "node": "16.x",
+    "npm": "8.x"
   },
   "homepage": "https://github.com/mozilla/blurts-server",
   "license": "MPL-2.0",