app-config.yaml

catalog:
  locations:
    - type: url
      target: http://github.com/my-org/my-repo/blob/main/components.yaml

get_all_repoes

gh repo list <org_name> \
  --limit=1000 \
  --json=description,url,name,owner,nameWithOwner \
  --template '{{range $index, $doc := .}}
apiVersion: backstage.io/v1alpha1
kind: Component
metadata:
  name: {{ $doc.name }}
  description: |
    {{ $doc.description }}
  annotations:
    github.com/project-slug: {{ $doc.nameWithOwner }}
spec:
  type: library
  owner: {{ $doc.owner.login }}
  lifecycle: experimental
---{{end}}' > components.yaml

get_repos

gh repo list <org_name> \
  --limit=1000 \
  --json=description,url,name,owner,nameWithOwner \
  --template=<output_template>

go.template

{{range $index, $doc := .}}
apiVersion: backstage.io/v1alpha1
kind: Component
metadata:
  name: {{ $doc.name }}
  description: |
    {{ $doc.description }}
  annotations:
    github.com/project-slug: {{ $doc.nameWithOwner }}
spec:
  type: library
  owner: {{ $doc.owner.login }}
  lifecycle: experimental
---{{end}}

multiple.yaml

apiVersion: backstage.io/v1alpha1
kind: Component
metadata:
  name: backstage
  description: |
    Backstage is an open-source developer portal that puts the developer experience first.
  annotations:
    github.com/project-slug: backstage/backstage
spec:
  type: library
  owner: CNCF
  lifecycle: experimental
---
apiVersion: backstage.io/v1alpha1
kind: Component
metadata:
  name: demo
  description: An example deployment of a Backstage application.
  annotations:
    github.com/project-slug: backstage/demo
spec:
  type: website
  owner: backstage/maintainers
  lifecycle: experimental
---

single.yaml

apiVersion: backstage.io/v1alpha1
kind: Component
metadata:
  name: backstage
  description: |
    Backstage is an open-source developer portal that puts the developer experience first.
  annotations:
    github.com/project-slug: backstage/backstage
spec:
  type: library
  owner: CNCF
  lifecycle: experimental