fix docker compose example

Author: aptalca

README.md

@@ -74,6 +74,7 @@ services:
   duckdns:
     image: linuxserver/duckdns
     container_name: duckdns
+    environment:
       - TZ=Europe/London
       - SUBDOMAINS=subdomain1,subdomain2
       - TOKEN=token
@@ -112,6 +113,7 @@ Container images are configured using parameters passed at runtime (such as thos
 
 ## Versions
 
+* **10.12.18:** - Fix docker compose example.
 * **15.10.18:** - Multi-arch image.
 * **22.08.18:** - Rebase to alpine 3.8.
 * **08.12.17:** - Rebase to alpine 3.7.

readme-vars.yml

@@ -42,6 +42,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "10.12.18:", desc: "Fix docker compose example." }
   - { date: "15.10.18:", desc: "Multi-arch image." }
   - { date: "22.08.18:", desc: "Rebase to alpine 3.8." }
   - { date: "08.12.17:", desc: "Rebase to alpine 3.7." }