update
diff --git a/charts/k8s-gerrit/container-images/gerrit-init/README.md b/charts/k8s-gerrit/container-images/gerrit-init/README.md
new file mode 100644
index 0000000..37b5bda
--- /dev/null
+++ b/charts/k8s-gerrit/container-images/gerrit-init/README.md
@@ -0,0 +1,64 @@
+# Gerrit replica init container image
+
+Kubernetes init container for initializing gerrit. The python script running in
+the container initializes Gerrit including the installation of configured
+plugins.
+
+## Content
+
+* gerrit-base image
+
+## Setup and configuration
+
+* install python 3
+* copy tool scripts
+
+## Start
+
+* start the container via start script `python3 /var/tools/gerrit-initializer init`
+
+The `main.py init`-command
+
+* reads configuration from gerrit.config (via `gerrit_config_parser.py`)
+* initializes Gerrit
+
+The `main.py validate_notedb`-command
+
+* validates and waits for the repository `All-Projects.git` with the refs
+`refs/meta/config`.
+* validates and waits for the repository `All-Users.git` with the ref
+`refs/meta/config`.
+
+## Configuration
+
+The configuration format looks as follows:
+
+```yaml
+plugins: []
+# A plugin packaged in the gerrit.war-file
+# - name: download-commands
+
+# A plugin packaged in the gerrit.war-file that will also be installed as a
+# lib
+# - name: replication
+#   installAsLibrary: true
+
+# A plugin that will be downloaded on startup
+# - name: delete-project
+#   url: https://example.com/gerrit-plugins/delete-project.jar
+#   sha1:
+#   installAsLibrary: false
+libs: []
+# A lib that will be downloaded on startup
+# - name: global-refdb
+#   url: https://example.com/gerrit-plugins/global-refdb.jar
+#   sha1:
+#DEPRECATED: `pluginCache` was deprecated in favor of `pluginCacheEnabled`
+# pluginCache: true
+pluginCacheEnabled: false
+pluginCacheDir: null
+# Can be either true to use default CA certificates, false to disable SSL
+# verification or a path to a custom CA certificate store.
+caCertPath: true
+highAvailability: false
+```