Allow publishing only 1 platform for docker/gstreamer images

magefile.go

@@ -32,7 +32,15 @@ const (
 	libniceVersion  = "0.1.21"
 	chromiumVersion = "117.0.5874.0"
 	dockerBuild     = "docker build"
-	dockerBuildX    = "docker buildx build --push --platform linux/amd64,linux/arm64"
+	dockerBuildX    = "docker buildx build --push --platform "
+)
+
+var (
+	platforms = map[string]string{
+		"all":   "linux/amd64,linux/arm64",
+		"amd64": "linux/amd64",
+		"arm64": "linux/arm64",
+	}
 )
 
 type packageInfo struct {
@@ -137,12 +145,12 @@ func BuildChrome() error {
 	)
 }
 
-func PublishChrome() error {
+func PublishChrome(env string) error {
 	return mageutil.Run(context.Background(),
 		"docker pull ubuntu:22.04",
 		fmt.Sprintf(
-			"%s -t livekit/chrome-installer:%s ./build/chrome",
-			dockerBuildX, chromiumVersion,
+			"%s%s -t livekit/chrome-installer:%s ./build/chrome",
+			dockerBuildX, platforms[env], chromiumVersion,
 		),
 	)
 }
@@ -158,8 +166,8 @@ func BuildGStreamer() error {
 	return buildGstreamer(dockerBuild)
 }
 
-func PublishGStreamer() error {
-	return buildGstreamer(dockerBuildX)
+func PublishGStreamer(env string) error {
+	return buildGstreamer(dockerBuildX + platforms[env])
 }
 
 func buildGstreamer(cmd string) error {