How to start a docker container inside the setup?

Drone Support
1

Hi all

I have created a DroneCI pipeline with the following content:

kind: pipeline
type: docker
name: Build auto git tagger

steps:
  - name: test and build
    image: golang
    commands:
      - go mod download
      - go test ./test
      - go build -o ./build/package ./cmd/git-tagger

  - name: Build docker image
    image: plugins/docker
    pull: if-not-exists
    settings:
      username: 
      password: 
      repo: 
      dockerfile: 
      registry: 
      auto_tag: 

trigger:
  branch:
    - master

The go test starts a gogs docker container for testing purpose, here is the code:

func createGogsContainer(dest, waitUrl string) (stopContainer, error) {
	client, err := docker.NewClientFromEnv()
	if err != nil {
		return nil, err
	}

	ctx := context.Background()

	gogs, err := client.CreateContainer(docker.CreateContainerOptions{
		Name: "repo",
		Config: &docker.Config{
			Image: "gogs/gogs",
		},
		HostConfig: &docker.HostConfig{
			PublishAllPorts: true,
			AutoRemove:      true,
			Mounts: []docker.HostMount{
				{
					Type:   "bind",
					Source: dest,
					Target: "/data",
				}},
			PortBindings: map[docker.Port][]docker.PortBinding{
				"3000/tcp": {{HostIP: "0.0.0.0", HostPort: "8888"}},
				"22/tcp":   {{HostIP: "0.0.0.0", HostPort: "2222"}},
			},
		},
		Context: ctx,
	})
	if err != nil {
		return nil, err
	}

	err = client.StartContainer(gogs.ID, nil)
	if err != nil {
		return nil, err
	}

	//Wait for connection
	host, err := url.Parse(waitUrl)
	if err != nil {
		return nil, err
	}

	err = waitHTTP(fmt.Sprintf("%s://%s", host.Scheme, host.Host), 3, 0)
	if err != nil {
		return nil, err
	}

	return func() error {
		return client.StopContainerWithContext(gogs.ID, 5, ctx)
	}, nil
}

The pipeline has been aborted with following error message:

latest: Pulling from library/golang
Digest: sha256:f30b0d05ea7783131d84deea3b5f4d418d9d930dfa3668a9a5fa253d1f9dce5a
Status: Image is up to date for golang:latest
+ go mod download
+ go test ./test
time="2020-04-23T17:58:24Z" level=error msg="Get \"http://0.0.0.0:8888/gat/WithoutTag.git/info/refs?service=git-upload-pack\": dial tcp 0.0.0.0:8888: connect: connection refused"
time="2020-04-23T17:58:24Z" level=error msg="Get \"http://0.0.0.0:8888/gat/WithoutTag.git/info/refs?service=git-upload-pack\": dial tcp 0.0.0.0:8888: connect: connection refused"

What am I doing wrong?

Thanks