Add Let's Encrypt Wildcard support

Author: uschti

Dockerfile

@@ -13,6 +13,9 @@ WORKDIR /data/letsencrypt
 RUN git clone https://github.com/lukas2511/dehydrated
 RUN ./dehydrated/dehydrated --register --accept-terms
 
+# Set HOOK_CHAIN=yes to allow wildcard certificates (https://github.com/josteink/le-godaddy-dns#hook_chain)
+RUN echo HOOK_CHAIN=\"yes\" >> /data/letsencrypt/dehydrated/config
+
 RUN git clone https://github.com/josteink/le-godaddy-dns
 RUN cd le-godaddy-dns && python3 -m pip install -r requirements.txt --user
 

README.md

@@ -5,6 +5,10 @@ This Docker container works with the **Godaddy DNS API** and send a **Slack** no
 **Slack notification example**
 ![Slack Notification Example](./Slack_notification.png)
 
+## Let's Encrypt Wildcard
+Wildcard certificate generation is supported!
+Use first the domain and then the \*, example: **thirddomain.com \*.thirddomain.com**
+
 ## Usage with docker-compose.yml
 ```
 docker-compose up

renew_certificates.conf

@@ -1,2 +1,3 @@
 yourdomain.com api.yourdomain.com www.yourdomain.com ftp.yourdomain.com subdomain.yourdomain.com
 seconddomain.com www.seconddomain.com
+thirddomain.com *.thirddomain.com