try multiplatform build

.space.kts

@@ -1,36 +1,48 @@
 job("Docker") {
     host("Build and push a Docker image") {
-        dockerBuildPush {
-            // by default, the step runs not only 'docker build' but also 'docker push'
-            // to disable pushing, add the following line:
-            // push = false
-
-            // path to Docker context (by default, context is working dir)
-            // context = "backend"
-
-            // path to Dockerfile relative to the project root
-            // if 'file' is not specified, Docker will look for it in 'context'/Dockerfile
-            //file = "docker/config/Dockerfile"
-
-            // build-time variables
-            //args["HTTP_PROXY"] = "http://10.20.30.2:1234"
-
-            // image labels
-            //labels["vendor"] = "mycompany"
-
-            // to add a raw list of additional build arguments, use
-            // extraArgsForBuildCommand = listOf("...")
-
-            // to add a raw list of additional push arguments, use
-            // extraArgsForPushCommand = listOf("...")
-
-            platform = "linux/arm64 linux/arm64"
-
-            // image tags
-            tags {
-                // use current job run number as a tag - '0.0.run_number'
-                +"boxi.registry.jetbrains.space/p/boxit/containers/boxit-elasticsearch:0.0.${"$"}JB_SPACE_EXECUTION_NUMBER"
-            }
+        shellScript {
+            """
+                export DOCKER_CLI_EXPERIMENTAL=enabled;
+                docker buildx create --name boxites || true 2>/dev/null;
+                docker buildx use boxites;
+                docker buildx build \
+                --platform linux/arm64,linux/amd64 \
+                --tag boxi.registry.jetbrains.space/p/boxit/containers/boxit-elasticsearch:0.0.${"$"}JB_SPACE_EXECUTION_NUMBER \
+                --push \
+                .;
+            """.trimIndent()
         }
+//        dockerBuildPush {
+//            // by default, the step runs not only 'docker build' but also 'docker push'
+//            // to disable pushing, add the following line:
+//            // push = false
+//
+//            // path to Docker context (by default, context is working dir)
+//            // context = "backend"
+//
+//            // path to Dockerfile relative to the project root
+//            // if 'file' is not specified, Docker will look for it in 'context'/Dockerfile
+//            //file = "docker/config/Dockerfile"
+//
+//            // build-time variables
+//            //args["HTTP_PROXY"] = "http://10.20.30.2:1234"
+//
+//            // image labels
+//            //labels["vendor"] = "mycompany"
+//
+//            // to add a raw list of additional build arguments, use
+//            // extraArgsForBuildCommand = listOf("...")
+//
+//            // to add a raw list of additional push arguments, use
+//            // extraArgsForPushCommand = listOf("...")
+//
+//            platform = "linux/arm64 linux/arm64"
+//
+//            // image tags
+//            tags {
+//                // use current job run number as a tag - '0.0.run_number'
+//                +"boxi.registry.jetbrains.space/p/boxit/containers/boxit-elasticsearch:0.0.${"$"}JB_SPACE_EXECUTION_NUMBER"
+//            }
+//        }
     }
 }