Method DockerEnv

pkg/ddevapp/ddevapp.go:2774–2949

DockerEnv sets environment variables for a docker-compose run.

()

// DockerEnv sets environment variables for a docker-compose run.
func (app *DdevApp) DockerEnv() map[string]string {
	uidStr, gidStr, username := dockerutil.GetContainerUser()

	// Warn about running as root if we're not on Windows.
	if uidStr == "0" || gidStr == "0" {
		util.WarningOnce("Warning: containers will run as root. This could be a security risk on Linux.")
	}

	// For Codespaces/Devcontainer
	// * provide default host-side port bindings, assuming only one project running,
	//   but if more than one project, can override with normal config.yaml settings.
	// Codespaces stumbles if not on a "standard" port like port 80
	if nodeps.IsDevcontainer() {
		if app.HostWebserverPort == "" {
			app.HostWebserverPort = "80"
		}
	}
	if nodeps.IsDevcontainer() {
		if app.HostWebserverPort == "" {
			app.HostWebserverPort = "8080"
		}
		if app.HostHTTPSPort == "" {
			app.HostHTTPSPort = "8443"
		}
		if app.HostDBPort == "" {
			app.HostDBPort = "3306"
		}
		if app.HostMailpitPort == "" {
			app.HostMailpitPort = "8027"
		}
		if app.HostXHGuiPort == "" {
			app.HostXHGuiPort = nodeps.DdevDefaultXHGuiHTTPPort
		}
		app.BindAllInterfaces = true
	}

	isWSL2 := "false"
	if nodeps.IsWSL2() {
		isWSL2 = "true"
	}

	// DDEV_HOST_DB_PORT is actually used for 2 things.
	// 1. To specify via base docker-compose file the value of host_db_port config. And it's expected to be empty
	//    there if the host_db_port is empty.
	// 2. To tell custom commands the db port. And it's expected always to be populated for them.
	dbPort, err := app.GetPublishedPort("db")
	dbPortStr := strconv.Itoa(dbPort)
	if dbPortStr == "-1" || err != nil {
		dbPortStr = ""
	}
	if app.HostDBPort != "" {
		dbPortStr = app.HostDBPort
	}

	// Figure out what the host-webserver (host-http) port is
	// First we try to see if there's an existing webserver container and use that
	hostHTTPPort, err := app.GetPublishedPort("web")
	hostHTTPPortStr := ""