Drone uses Docker images for the build environment, for plugins and for service containers. The image field is exposed in the container blocks in the Yaml:

pipeline:
  build:
+   image: golang:1.6
    commands:
      - go build
      - go test

  publish:
+   image: plugins/docker
    repo: foo/bar

services:
  database:
+   image: mysql

Drone supports any valid Docker image from any Docker registry:

image: golang
image: golang:1.7
image: library/golang:1.7
image: index.docker.io/library/golang
image: index.docker.io/library/golang:1.7

Drone does not automatically upgrade docker images. Example configuration to always pull the latest image when updates are available:

pipeline:
  build:
    image: golang:latest
+   pull: true

Questions?

We are always happy to help with questions you might have. Search our documentation or check out answers to common questions. You can also post questions or comments to our community forum.

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