feat(release): delegate docker target to tsdocker

ts/helpers.smartconfigmigrations.ts

@@ -68,8 +68,10 @@ const migrateToV2 = (smartconfigJson: Record<string, any>): boolean => {
     migrated = true;
   }
 
-  if (isPlainObject(releaseConfig.docker) && !isPlainObject(targets.docker)) {
-    targets.docker = releaseConfig.docker;
+  if (isPlainObject(releaseConfig.docker)) {
+    targets.docker = isPlainObject(targets.docker)
+      ? { ...releaseConfig.docker, ...targets.docker }
+      : releaseConfig.docker;
     delete releaseConfig.docker;
     migrated = true;
   }
@@ -141,11 +143,27 @@ const migrateToV2 = (smartconfigJson: Record<string, any>): boolean => {
       if (dockerTarget.enabled === undefined) {
         dockerTarget.enabled = true;
       }
+      dockerTarget.engine = "tsdocker";
     }
     delete releaseConfig.steps;
     migrated = true;
   }
 
+  if (isPlainObject(targets.docker)) {
+    if (targets.docker.images) {
+      delete targets.docker.images;
+      migrated = true;
+    }
+    if (targets.docker.engine !== "tsdocker") {
+      targets.docker.engine = "tsdocker";
+      migrated = true;
+    }
+    if (!Array.isArray(targets.docker.patterns)) {
+      targets.docker.patterns = [];
+      migrated = true;
+    }
+  }
+
   if (releaseConfig.changelog) {
     delete releaseConfig.changelog;
     migrated = true;