docker
diff --git a/‎cli/compose/schema/bindata.go
Copy file name to clipboardExpand all lines: cli/compose/schema/bindata.go
+1-1Lines changed: 1 addition & 1 deletion b/‎cli/compose/schema/bindata.go
Copy file name to clipboardExpand all lines: cli/compose/schema/bindata.go
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎cli/compose/schema/data/config_schema_v3.4.json
Copy file name to clipboardExpand all lines: cli/compose/schema/data/config_schema_v3.4.json
+1Lines changed: 1 addition & 0 deletions b/‎cli/compose/schema/data/config_schema_v3.4.json
Copy file name to clipboardExpand all lines: cli/compose/schema/data/config_schema_v3.4.json
+1Lines changed: 1 addition & 0 deletions
diff --git a/‎cli/compose/schema/schema_test.go
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+10Lines changed: 10 additions & 0 deletions b/‎cli/compose/schema/schema_test.go
Copy file name to clipboardExpand all lines: cli/compose/schema/schema_test.go
+10Lines changed: 10 additions & 0 deletions
@@ -64,6 +64,7 @@
     }
   },
 
+  "patternProperties": {"^x-": {}},
   "additionalProperties": false,
 
   "definitions": {
 
@@ -36,6 +36,16 @@ func TestValidateUndefinedTopLevelOption(t *testing.T) {
 	assert.Contains(t, err.Error(), "Additional property helicopters is not allowed")
 }
 
+func TestValidateAllowsXTopLevelFields(t *testing.T) {
+	config := dict{
+		"version":       "3.4",
+		"x-extra-stuff": dict{},
+	}
+
+	err := Validate(config, "3.4")
+	assert.NoError(t, err)
+}
+
 func TestValidateInvalidVersion(t *testing.T) {
 	config := dict{
 		"version": "2.1",
Original file line number	Diff line number	Diff line change
`@@ -64,6 +64,7 @@`
`64`	`64`	`}`
`65`	`65`	`},`
`66`	`66`
	`67`	`+ "patternProperties": {"^x-": {}},`
`67`	`68`	`"additionalProperties": false,`
`68`	`69`
`69`	`70`	`"definitions": {`