chore(Node): Deprecate node 8, switch to node 12 LTS

- Deprecates support for node 8
- Bases API dockerfile on node 12 (LTS)
- Adds node 14 to CI

BREAKING CHANGE: Node 8 no longer supported

.circleci/config.yml

@@ -35,19 +35,19 @@ jobs:
           - PGUSER=postgres
         image: "circleci/node:12"
       - image: "circleci/postgres:10-alpine-postgis"
-  node8:
+  node14:
     <<: *default_steps
     docker:
       - environment:
           - PGHOST=localhost
           - PGUSER=postgres
-        image: "circleci/node:8"
+        image: "circleci/node:14"
       - image: "circleci/postgres:10-alpine-postgis"
 version: 2
 workflows:
   supported_nodes:
     jobs:
-      - node8
+      - node14
       - node10
       - node12
   version: 2

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:10-alpine
+FROM node:12-alpine
 
 WORKDIR /usr/src/app
 

package.json

@@ -106,6 +106,6 @@
     "supertest": "~4.0.2"
   },
   "engines": {
-    "node": ">=8.9.0"
+    "node": ">=10.0.0"
   }
 }