docons

docons

consul service integration for docker container

docons uses container id as consul service id, use container labels for other service definitions.

Container Labels

• docons/name, name of the service
• docons/port, port of the service
• docons/tags, comma separated tags of the service
• docons/meta-XXX, meta of the service, docons is the reserved key

Usage

1. Install and start docker

2. Install and start consul

   consul agent -dev -ui
   

3. Install and run docons

   go install -u go.guoyk.net/docons
   
   docons
   

4. Start a container with specified labels

   docker run -d --network host --name nginx \
       --label docons/name=demo --label docons/port=80 nginx
   

   You can also set label by LABEL command in Dockerfile

5. Query consul by browsing Web UI http://127.0.0.1:8500

   You will see a service with name demo and port 80 is registered automatically

6. Stop the container

   docker stop nginx
   

7. Check consul Web UI again

   You will see that service is unregistered automatically.

Credits

Guo Y.K., MIT License