When linking to other containers, introduce a slight delay; this lets

the Docker API get those containers running. Otherwise when
you try to start a container linking to them, the start command
will fail, leading to an error.

builtin/providers/docker/resource_docker_container_funcs.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"strconv"
 	"strings"
+	"time"
 
 	dc "github.com/fsouza/go-dockerclient"
 	"github.com/hashicorp/terraform/helper/schema"
@@ -19,6 +20,8 @@ func resourceDockerContainerCreate(d *schema.ResourceData, meta interface{}) err
 		return err
 	}
 
+	delayStart := false
+
 	image := d.Get("image").(string)
 	if _, ok := data.DockerImages[image]; !ok {
 		if _, ok := data.DockerImages[image+":latest"]; !ok {
@@ -106,6 +109,13 @@ func resourceDockerContainerCreate(d *schema.ResourceData, meta interface{}) err
 
 	if v, ok := d.GetOk("links"); ok {
 		hostConfig.Links = stringSetToStringSlice(v.(*schema.Set))
+		delayStart = true
+	}
+
+	// For instance, Docker will fail to start conatiners with links
+	// to other containers if the containers haven't started yet
+	if delayStart {
+		time.Sleep(3 * time.Second)
 	}
 
 	if err := client.StartContainer(retContainer.ID, hostConfig); err != nil {