Merge pull request #863 from zachary-povey/support_host_network_in_compose

Add NetworkMode to bake target

bake/bake.go

@@ -435,6 +435,7 @@ type Target struct {
 	Outputs          []string          `json:"output,omitempty" hcl:"output,optional"`
 	Pull             *bool             `json:"pull,omitempty" hcl:"pull,optional"`
 	NoCache          *bool             `json:"no-cache,omitempty" hcl:"no-cache,optional"`
+	NetworkMode      *string
 
 	// IMPORTANT: if you add more fields here, do not forget to update newOverrides and README.
 }
@@ -501,6 +502,9 @@ func (t *Target) Merge(t2 *Target) {
 	if t2.NoCache != nil {
 		t.NoCache = t2.NoCache
 	}
+	if t2.NetworkMode != nil {
+		t.NetworkMode = t2.NetworkMode
+	}
 	t.Inherits = append(t.Inherits, t2.Inherits...)
 }
 
@@ -641,6 +645,10 @@ func toBuildOpt(t *Target, inp *Input) (*build.Options, error) {
 	if t.Pull != nil {
 		pull = *t.Pull
 	}
+	networkMode := ""
+	if t.NetworkMode != nil {
+		networkMode = *t.NetworkMode
+	}
 
 	bi := build.Inputs{
 		ContextPath:    contextPath,
@@ -663,6 +671,7 @@ func toBuildOpt(t *Target, inp *Input) (*build.Options, error) {
 		Labels:      t.Labels,
 		NoCache:     noCache,
 		Pull:        pull,
+		NetworkMode: networkMode,
 	}
 
 	platforms, err := platformutil.Parse(t.Platforms)

bake/compose.go

@@ -80,6 +80,7 @@ func ParseCompose(dt []byte) (*Config, error) {
 					return val, ok
 				})),
 				CacheFrom:   s.Build.CacheFrom,
+				NetworkMode: &s.Build.Network,
 			}
 			if err = t.composeExtTarget(s.Build.Extensions); err != nil {
 				return nil, err

bake/compose_test.go

@@ -19,6 +19,8 @@ services:
     build:
       context: ./dir
       dockerfile: Dockerfile-alternate
+      network:
+        none
       args:
         buildno: 123
 `)
@@ -43,6 +45,7 @@ services:
 	require.Equal(t, "Dockerfile-alternate", *c.Targets[1].Dockerfile)
 	require.Equal(t, 1, len(c.Targets[1].Args))
 	require.Equal(t, "123", c.Targets[1].Args["buildno"])
+	require.Equal(t, "none", *c.Targets[1].NetworkMode)
 }
 
 func TestNoBuildOutOfTreeService(t *testing.T) {