- Stepsは、二次元配列になっている
- 外側の配列の各stepは、逐次実行
- 内側の配列の各stepは、並列実行
```yaml
templates:
- name: hello-hello-hello
# Instead of just running a container
# This template has a sequence of steps
steps:
- - name: hello1 # hello1 is run before the following steps
template: whalesay
arguments:
parameters:
- name: message
value: "hello1"
- - name: hello2a # double dash => run after previous step
template: whalesay
arguments:
parameters:
- name: message
value: "hello2a"
- name: hello2b # single dash => run in parallel with previous step
template: whalesay
arguments:
parameters:
- name: message
value: "hello2b"
```
参考: [Examples - Argo Workflows - The workflow engine for Kubernetes](https://argoproj.github.io/argo-workflows/examples/#steps)