GitLab

Use annotation to create metrics endpoint.

Obtain url matchers for both spring and spring-boot endpoints.

Match request to prevent metric for each ID.

Another way to add a http middleware that works with spring boot.

Rename cart to carts in healthcheck

Rationalise prometheus to produce RED metrics.

renamed the cart-db to carts-db

Rename to carts

Java base image

switched to the msd-java base image, which allows settings the java options via the JAVA_OPTS environment variable

Push docker images in CD style

- changed Docker tag for pushes from the master branch. The pushed
  Docker tag now contains tag of form: "master-<8 char commit SHA>"
- the tag pusing remains the same.

Add link to README to apispec

Remove deploy in travis.yml, differ to flux

Enhancement/opentracing

Improved README.md

#14 Added Travis to Slack notification.