Pre-pull a target tag into the local docker cache. Idempotent.

Returns 412 if the sidecar is unreachable — the actual docker pull runs inside the sidecar, which is the only piece holding docker.sock.

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

tag*Tag

Target tag, e.g. '0.9.15'. Stable semver only.

Response Body

curl -X POST "https://example.com/admin/upgrade/download" \  -H "Content-Type: application/json" \  -d '{    "tag": "string"  }'

{}