diff --git a/.gitignore b/.gitignore
index 92b2c45..1d97fe2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules/
 tmp/
+.idea
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9cd08d7..8ec0d00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## [0.4.2] - 2023-01-19
+
+### Fixed
+- Initialize `config.container_config` in case it's `undefined` 
+
 ## [0.4.1] - 2022-03-24
 
 ### Dependency update / security
diff --git a/appLayerCreator.js b/appLayerCreator.js
index 84e0e36..69e2ef8 100644
--- a/appLayerCreator.js
+++ b/appLayerCreator.js
@@ -199,6 +199,7 @@ async function addLayers(tmpdir, fromdir, todir, options) {
   logger.info('Parsing image ...');
   let manifest = await fse.readJson(path.join(fromdir, 'manifest.json'));
   let config = await fse.readJson(path.join(fromdir, 'config.json'));
+  config.container_config = config.container_config || {};
 
   logger.info('Adding new layers...');
   await copyLayers(fromdir, todir, manifest.layers);
diff --git a/package.json b/package.json
index 74440cf..d7635a4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "doqr",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "description": "Build node.js docker images without docker",
   "main": "./cli.js",
   "scripts": {