Function initService

compose/compose.go:151–229

(basename string, idx, grpcPort int)

}

func initService(basename string, idx, grpcPort int) service {
	var svc service

	svc.name = name(basename, idx)
	svc.Image = opts.Image + ":" + opts.Tag
	svc.ContainerName = containerName(svc.name)
	svc.WorkingDir = fmt.Sprintf("/data/%s", svc.name)
	// EmitUser is a public hook in compose/hooks.go. The upstream
	// default returns "" so the generated compose service inherits the
	// image's own USER directive. Downstream consumers that run dgraph
	// as a non-root user under compose override the hook to return a
	// "uid:gid" string such as "${UID:-65532}", which is emitted as the
	// service's `user:` field. Bind-mounted host paths must be readable
	// by that uid for the container to start cleanly.
	if u := EmitUser(); u != "" {
		svc.User = u
	}
	if idx > 1 {
		svc.DependsOn = append(svc.DependsOn, name(basename, idx-1))
	}
	svc.Labels = map[string]string{"cluster": "test"}

	svc.Ports = []string{
		toPort(grpcPort),
		toPort(grpcPort + 1000), // http port
	}

	if opts.LocalBin {
		svc.Volumes = append(svc.Volumes, volume{
			Type:     "bind",
			Source:   "$GOPATH/bin",
			Target:   "/gobin",
			ReadOnly: true,
		})
	}

	switch {
	case opts.DataVol:
		svc.Volumes = append(svc.Volumes, volume{
			Type:   "volume",
			Source: "data",
			Target: "/data",
		})
	case opts.DataDir != "":
		svc.Volumes = append(svc.Volumes, volume{
			Type:   "bind",
			Source: opts.DataDir,
			Target: "/data",
		})
	default:
		// no data volume
	}

	svc.Command = buildvars.BinaryName.Get()
	if opts.LocalBin {
		svc.Command = buildvars.GoBinDgraphPath.Get()
	}
	if opts.UserOwnership {