Easily upgrade Rancher services.
You can build this image or customize and build your own, to upgrade a service, use it the following way:
Considering your Stack with ID 1e9
named myapp-production
running on a environment ID 1a5
Under this stack, you want to upgrade a service named web
docker run --rm \
-e RANCHER_URL="http://my-rancher.com:8080/v1/projects/1a5" \
-e RANCHER_ACCESS_KEY="my_api_key" \
-e RANCHER_SECRET_KEY="my_api_secret \
-e RANCHER_STACK_ID="1e9" \
-e RANCHER_STACK_NAME="myapp-production" \
-e RANCHER_SERVICE_NAME="web" \
codecasts/rancher-deployer:latest