ci: Transition to Travis CI container infrastructure

.travis.yml

@@ -1,24 +1,25 @@
 language: node_js
+sudo: false
 node_js:
-  - '0.10'
-services:
-  - mongodb
+  - '4.1'
+addons:
+  apt:
+    sources:
+      - mongodb-3.2-precise
+    packages:
+      - mongodb-org-server
+      - mongodb-org-shell
 env:
   - CI_SERVER=1
 addons:
   code_climate:
     repo_token: 9c90177b42d39905ca635b1f6226580dab5799f87f172b66bab4e8df77b67a13
-before_install:
-  - sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10
-  - echo 'deb http://repo.mongodb.org/apt/ubuntu precise/mongodb-org/3.0 multiverse'
-    | sudo tee /etc/apt/sources.list.d/mongodb-org-3.0.list
-  - echo 'deb http://repo.mongodb.org/apt/ubuntu precise/mongodb-org/3.1 multiverse'
-    | sudo tee /etc/apt/sources.list.d/mongodb-org-3.1.list
-  - sudo apt-get update
-  - sudo apt-get install -y mongodb-org mongodb-org-server mongodb-org-shell mongodb-org-tools
 before_script:
-  - until nc -z localhost 27017; do echo Waiting for MongoDB; sleep 1; done
   - mongo --version
+  - mkdir data/db
+  - 'mongo --dbpath=data/db &'
+  - until nc -z localhost 27017; do echo Waiting for MongoDB; sleep 1; done
+  - mongo --eval 'db.hostInfo()'
   - gulp build
 script:
   - gulp ci