support buildkit for dockcer-compose

modules/docker/docker_compose.go

@@ -14,6 +14,10 @@ import (
 type Options struct {
 	WorkingDir string
 	EnvVars    map[string]string
+
+	// Whether ot not to enable buildkit. You can find more information about buildkit here https://docs.docker.com/build/buildkit/#getting-started.
+	EnableBuildKit bool
+
 	// Set a logger that should be used. See the logger package for more info.
 	Logger *logger.Logger
 }
@@ -46,6 +50,15 @@ func runDockerComposeE(t testing.TestingT, stdout bool, options *Options, args .
 
 	result := icmd.RunCmd(dockerComposeVersionCmd)
 
+	if options.EnableBuildKit {
+		if options.EnvVars == nil {
+			options.EnvVars = make(map[string]string)
+		}
+
+		options.EnvVars["DOCKER_BUILDKIT"] = "1"
+		options.EnvVars["COMPOSE_DOCKER_CLI_BUILD"] = "1"
+	}
+
 	if result.ExitCode == 0 {
 		cmd = shell.Command{
 			Command:    "docker",

modules/docker/docker_compose_test.go

@@ -0,0 +1,26 @@
+package docker
+
+import (
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestDockerComposeWithBuildKit(t *testing.T) {
+	t.Parallel()
+
+	testToken := "testToken"
+	dockerOptions := &Options{
+		// Directory where docker-compose.yml lives
+		WorkingDir: "../../test/fixtures/docker-compose-with-buildkit",
+
+		// Configure the port the web app will listen on and the text it will return using environment variables
+		EnvVars: map[string]string{
+			"GITHUB_OAUTH_TOKEN": testToken,
+		},
+		EnableBuildKit: true,
+	}
+	out := RunDockerCompose(t, dockerOptions, "build", "--no-cache")
+	out = RunDockerCompose(t, dockerOptions, "up")
+
+	require.Contains(t, out, testToken)
+}

test/fixtures/docker-compose-with-buildkit/Dockerfile

@@ -0,0 +1,5 @@
+# A "Hello, World" Docker image used in automated tests for the docker.Build command.
+FROM ubuntu:20.04 as with-secrets
+
+RUN --mount=type=secret,id=github-token echo "$(cat /run/secrets/github-token)" > text.txt
+COPY ./bash_script.sh /usr/local/bin/bash_script.sh

test/fixtures/docker-compose-with-buildkit/bash_script.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+set -e
+
+cat text.txt

test/fixtures/docker-compose-with-buildkit/docker-compose.yml

@@ -0,0 +1,11 @@
+services:
+  test-docker-image:
+    build:
+      context: .
+      secrets:
+        - github-token
+    entrypoint: bash_script.sh
+
+secrets:
+  github-token:
+    environment: GITHUB_OAUTH_TOKEN