fix: buildkit docker config location (#151)

Author: karatkep

src/main/resources/application.yml

@@ -233,6 +233,8 @@ app:
     env:
       - name: BUILDKITD_FLAGS
         value: "--oci-worker-no-process-sandbox"
+      - name: DOCKER_CONFIG
+        value: "/kaniko/.docker"
     args:
       - build
       - --frontend

src/test/java/com/epam/aidial/deployment/manager/functional/tests/FullWorkflowWithMockedK8sClientFunctionalTest.java

@@ -415,10 +415,14 @@ private static JobSpec createWrapperJobSpec(String uuid) {
         ));
 
         buildContainer.setCommand(Collections.singletonList("buildctl-daemonless.sh"));
-        buildContainer.setEnv(Collections.singletonList(
+        buildContainer.setEnv(Arrays.asList(
                 new EnvVarBuilder()
                         .withName("BUILDKITD_FLAGS")
                         .withValue("--oci-worker-no-process-sandbox")
+                        .build(),
+                new EnvVarBuilder()
+                        .withName("DOCKER_CONFIG")
+                        .withValue("/kaniko/.docker")
                         .build()
         ));
         buildContainer.setEnvFrom(Collections.emptyList());