diff --git a/CHANGELOG.md b/CHANGELOG.md
index f903f9a..19f9c14 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,12 @@
 # Changelog
 
 
-## (unreleased)
+## 0.1.0 (2021-04-22)
 
 ### New
 
+* :sparkles: add Dockerfile. [Eduard Veit]
+
 * :sparkles: add loop mode. [Eduard Veit]
 
 * :sparkles: add support for Duck DNS as DynDNS2 provider. [Eduard Veit]
@@ -35,6 +37,8 @@
 
 ### Documentation
 
+* :memo: document example of an docker-compose.yml file. [Eduard Veit]
+
 * :memo: document loop mode and dig as requirement. [Eduard Veit]
 
 * :memo: update example of .env in README.md. [Eduard Veit]
diff --git a/README.md b/README.md
index 0a3ef9e..f4f1755 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ IPv4 (A) and IPv6 (AAAA) record updates are supported.
 - [⚙ Configuration](#-configuration)
 - [🏃 Run](#-run)
 - [⏰ Cron](#-cron)
+- [⏰ docker](#-docker)
 <!-- /TOC -->
 
 ## ✨ Update Methods
@@ -115,3 +116,27 @@ then enter :point_down: to run dynb every five minutes.
 */5 * * * * $HOME/.local/bin/dynb >> $HOME/.local/share/dynb/dynb-cron.log
 ```
 Note, cron typically does not use the users PATH variable.
+
+## 🐟 docker
+
+This is an example of a `docker-compose.yml` file. If you are using IPv6 make sure the routing works properly with your docker container.
+```yaml
+version: '3.4'
+
+services:
+  dynb:
+    image: ev21/dynb
+    container_name: dynb
+    network_mode: host
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+    environment:
+      - DYNB_DYN_DOMAIN=dyndns.example.com
+      - DYNB_SERVICE_PROVIDER=inwx
+      - DYNB_UPDATE_METHOD=dyndns
+      - DYNB_IP_MODE=64
+      - DYNB_USERNAME=User42
+      - DYNB_PASSWORD=SuperSecretPassword
+      - DYNB_INTERVAL=60
+```