Implement CI for multiple node versions (#51)

Implements Docker services for running against multiple node versions at once using a build arg.
Curently runs against node 8 and node 10.

.buildkite/pipeline.yml

@@ -6,6 +6,13 @@ steps:
         image-repository: 027047743804.dkr.ecr.us-east-2.amazonaws.com/uber
     agents:
       queue: builders
+  - name: ':docker: :package: node8'
+    plugins:
+      'docker-compose#v1.7.0':
+        build: create-fusion-app-node-last
+        image-repository: 027047743804.dkr.ecr.us-east-2.amazonaws.com/uber
+    agents:
+      queue: builders
   - wait
   - command: yarn flow check
     name: ':flowtype:'
@@ -14,17 +21,38 @@ steps:
         run: create-fusion-app
     agents:
       queue: workers
+  - command: yarn flow check
+    name: ':flowtype: node8'
+    plugins:
+      'docker-compose#v1.7.0':
+        run: create-fusion-app-node-last
+    agents:
+      queue: workers
   - name: ':eslint:'
     command: yarn lint
     plugins:
       'docker-compose#v1.7.0':
         run: create-fusion-app
     agents:
       queue: workers
+  - name: ':eslint: node8'
+    command: yarn lint
+    plugins:
+      'docker-compose#v1.7.0':
+        run: create-fusion-app-node-last
+    agents:
+      queue: workers
   - name: ':jest:'
     command: yarn jest
     plugins:
       'docker-compose#v1.7.0':
         run: create-fusion-app
     agents:
       queue: workers
+  - name: ':jest: node8'
+    command: yarn jest
+    plugins:
+      'docker-compose#v1.7.0':
+        run: create-fusion-app-node-last
+    agents:
+      queue: workers

Dockerfile

@@ -1,4 +1,5 @@
-FROM uber/web-base-image:1.0.8@sha256:c20637d449fa8604874e588780a6800dd05cc83028fae14c45a05186402607e5
+ARG BASE_IMAGE=uber/web-base-image:2.0.0
+FROM $BASE_IMAGE
 
 WORKDIR /create-fusion-app
 

docker-compose.yml

@@ -3,7 +3,7 @@ services:
   create-fusion-app:
     build: .
     volumes:
-      - .:/create-fusion-app
+      - '.:/create-fusion-app'
       - /create-fusion-app/node_modules/
       - /create-fusion-app/templates/basic/content/node_modules/
     environment:
@@ -16,3 +16,9 @@ services:
       - BUILDKITE_BUILD_URL
       - BUILDKITE_PROJECT_SLUG
       - BUILDKITE_COMMIT
+  create-fusion-app-node-last:
+    extends: create-fusion-app
+    build:
+      context: .
+      args:
+        BASE_IMAGE: 'uber/web-base-image:1.0.9'