fix docker serialization and disk_quota

Author: schulzh

cloudfoundry-operations/src/main/java/org/cloudfoundry/operations/applications/ApplicationManifestUtilsCommon.java

@@ -423,7 +423,11 @@ static Map<String, Object> toApplicationYaml(_ApplicationManifestCommon applicat
         if (null != disk) {
             putIfPresent(yaml, "disk_quota", applicationManifest.getDisk().toString() + "M");
         }
-        putIfPresent(yaml, "docker", applicationManifest.getDocker());
+        putIfPresent(
+                yaml,
+                "docker",
+                applicationManifest.getDocker(),
+                ApplicationManifestUtilsCommon::toDockerYaml);
         putIfPresent(yaml, "domains", applicationManifest.getDomains());
         putIfPresent(yaml, "env", applicationManifest.getEnvironmentVariables());
         putIfPresent(

cloudfoundry-operations/src/main/java/org/cloudfoundry/operations/applications/ApplicationManifestUtilsV3.java

@@ -197,7 +197,7 @@ private static ManifestV3Process getProcess(
 
         asString(raw, "type", variables, builder::type);
         asString(raw, "command", variables, builder::command);
-        asString(raw, "disk", variables, builder::disk);
+        asString(raw, "disk_quota", variables, builder::disk);
         asString(raw, "health-check-http-endpoint", variables, builder::healthCheckHttpEndpoint);
         asInteger(
                 raw,