Merge branch 'gitlab-build' into 'master'

image: docker:latest

# When using dind, it's wise to use the overlayfs driver for

# improved performance.

variables:

  DOCKER_DRIVER: overlay

services:

- docker:dind

before_script:

- docker info

build-linux:

  stage: build

  script: 

  - docker build -f Dockerfile_build_ubuntu64 -t influxdb-relay-builder:latest .

  - docker run -v $(pwd):/root/go/src/github.com/influxdata/influxdb-relay influxdb-relay-builder --package --platform linux

  artifacts:

    paths:

    - build/