Docker Hub Image Scraper

Scrape Docker Hub container images and repository metadata. Search by keyword or fetch specific images by name. Extract pull counts, star counts, tags with sizes, descriptions, and full repository details.

Modes

Mode	Description
search	Search images by keyword
image	Fetch details for specific images by namespace/name

Output Fields

Field	Description
name	Image/repository name
namespace	Docker Hub namespace (e.g. "library", "bitnami")
description	Short description
starCount	Number of stars
pullCount	Total pull count
lastUpdated	ISO timestamp of last update
isOfficial	Whether it's an official Docker image
isAutomated	Whether builds are automated
tags	Latest 10 tags with name, size, lastPushed, digest
fullDescription	Full README/description (truncated to 2000 chars)
sourceUrl	Direct URL to the Docker Hub page
scrapedAt	ISO timestamp of scrape

Input Options

• Mode: search or image
• Search Queries: Keywords (e.g. "nginx", "python web framework")
• Image Names: Specific images in namespace/name format (e.g. "library/nginx", "bitnami/postgresql"). For official images you can use just the name (e.g. "nginx").
• Max Results: Up to 500 per query
• Proxy: Optional proxy configuration

Example Output

{
  "name": "nginx",
  "namespace": "library",
  "description": "Official build of Nginx.",
  "starCount": 19500,
  "pullCount": 4200000000,
  "lastUpdated": "2026-04-20T08:00:00.000Z",
  "isOfficial": true,
  "isAutomated": false,
  "tags": [
    {
      "name": "latest",
      "size": 67108864,
      "lastPushed": "2026-04-20T08:00:00.000Z",
      "digest": "sha256:abc123..."
    }
  ],
  "fullDescription": "# What is Nginx?...",
  "sourceUrl": "https://hub.docker.com/r/library/nginx",
  "scrapedAt": "2026-04-26T12:00:00.000Z"
}

Use Cases

• DevOps Research: Find popular base images for your stack
• Security Auditing: Monitor image update frequency and tag digests
• Popularity Tracking: Track pull counts and stars over time
• Container Inventory: Build a catalog of images used in your org
• Competitive Analysis: Compare similar container solutions

Notes

• Uses the public Docker Hub API v2 (no authentication required for public repos)
• Tag details include size and digest for vulnerability tracking
• Full descriptions are truncated to 2000 characters to keep output manageable
• Rate limits are generous; the scraper adds small delays between requests

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