@@ -2,6 +2,7 @@ package convert

 import (

 	"fmt"

+	"sort"

 	"time"

 	"github.com/docker/docker/api/types/container"

@@ -98,9 +99,9 @@ func convertService(

 				Command:         service.Entrypoint,

 				Args:            service.Command,

 				Hostname:        service.Hostname,

-				Hosts:           convertExtraHosts(service.ExtraHosts),

+				Hosts:           sortStrings(convertExtraHosts(service.ExtraHosts)),

 				Healthcheck:     healthcheck,

-				Env:             convertEnvironment(service.Environment),

+				Env:             sortStrings(convertEnvironment(service.Environment)),

 				Labels:          AddStackLabel(namespace, service.Labels),

 				Dir:             service.WorkingDir,

 				User:            service.User,

@@ -125,6 +126,17 @@ func convertService(

 	return serviceSpec, nil

 }

+func sortStrings(strs []string) []string {

+	sort.Strings(strs)

+	return strs

+}

+

+type byNetworkTarget []swarm.NetworkAttachmentConfig

+

+func (a byNetworkTarget) Len() int           { return len(a) }

+func (a byNetworkTarget) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }

+func (a byNetworkTarget) Less(i, j int) bool { return a[i].Target < a[j].Target }

+

 func convertServiceNetworks(

 	networks map[string]*composetypes.ServiceNetworkConfig,

 	networkConfigs networkMap,

@@ -160,6 +172,9 @@ func convertServiceNetworks(

 			Aliases: append(aliases, name),

 		})

 	}

+

+	sort.Sort(byNetworkTarget(nets))

+

 	return nets, nil

 }

@@ -294,6 +309,12 @@ func convertResources(source composetypes.Resources) (*swarm.ResourceRequirement

 }

+type byPublishedPort []swarm.PortConfig

+

+func (a byPublishedPort) Len() int           { return len(a) }

+func (a byPublishedPort) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }

+func (a byPublishedPort) Less(i, j int) bool { return a[i].PublishedPort < a[j].PublishedPort }

+

 func convertEndpointSpec(source []string) (*swarm.EndpointSpec, error) {

 	portConfigs := []swarm.PortConfig{}

 	ports, portBindings, err := nat.ParsePortSpecs(source)

@@ -307,6 +328,9 @@ func convertEndpointSpec(source []string) (*swarm.EndpointSpec, error) {

 			opts.ConvertPortToPortConfig(port, portBindings)...)

 	}

+	// Sorting to make sure these are always in the same order

+	sort.Sort(byPublishedPort(portConfigs))

+

 	return &swarm.EndpointSpec{Ports: portConfigs}, nil

 }