feat: "dependencies" support in Application spec

[aavarghese]

[WIP]

Adding support for python coded worker Applications..and its dependencies. Similar support for minio dependency.

apiVersion: lunchpail.io/v1alpha1
kind: Application
...
  dependsOn: 
    python: 3.9
    requirements: |
{{ .Files.Get "requirements.txt" | indent 8 }}

apiVersion: lunchpail.io/v1alpha1
kind: Application
...
  dependsOn: 
    minio: latest

lunchpail dependson minio latest lunchpail dependson python 3.9 -f requirements.txt

[starpit]

nice, what will the underlying lunchpail <> command name be?

[aavarghese]

nice, what will the underlying lunchpail <> command name be?

Right now, after some iterations, it is
lunchpail dependson minio <version>
lunchpail dependson python <version> -f requirements.txt

apiVersion: lunchpail.io/v1alpha1
kind: Application
...
  dependsOn: 
    minio: latest

Wdyt?