Add Docling-serve template

[Copilot]

What is this PR about?

Adds Docling-serve template - an MIT-licensed document processing and conversion API service from IBM DS4SD.

Key fixes applied to existing draft:

• Image source: Changed from quay.io/docling-project to official ghcr.io/ds4sd/docling-serve:v0.5.1
• Version pinning: Replaced latest tag with v0.5.1 per repository requirements
• Docker Compose format: Added version: "3.8", removed explicit ports, fixed env var interpolation, corrected volume path to /opt/app-root/src/.cache/docling/models
• Template.toml format: Converted env and mounts from table to array syntax
• Metadata: Updated all GitHub links to DS4SD organization, corrected version field

Checklist

Before submitting this PR, please make sure that:

• I have read the suggestions in the README.md file https://github.com/Dokploy/templates?tab=readme-ov-file#general-requirements-when-creating-a-template
• I have tested the template in my instance, so the maintainers don't spend time trying to figure out what's wrong.
• I have added tests that demonstrate that my correction works or that my new feature works.

Screenshots or Videos

Template exposes document processing API on port 5001 with UI enabled. Persists ML models in volume for performance.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• cdn01.quay.io
  • Triggering command: /usr/bin/docker docker manifest inspect quay.io/docling-project/docling-serve:latest (dns block)
• https://api.github.com/search/repositories
  • Triggering command: /usr/bin/curl curl -s REDACTED (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Add Docling-serve Template</issue_title>
<issue_description>### Template Name

Docling-serve

Template URL

Docker Compose Link

No response

Resources

No response

Template Description

No response

Will you send a PR to implement it?

Yes</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Add Docling-serve Template #464

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[Copilot]

Pull request overview

This PR adds a new template for Docling-serve, an MIT-licensed document processing and conversion API service from IBM DS4SD. The template has been corrected from an initial draft to comply with Dokploy standards and project conventions.

Key changes:

• Switched from unofficial quay.io/docling-project to official ghcr.io/ds4sd/docling-serve:v0.5.1 image
• Fixed Docker Compose format by adding version declaration, removing ports exposure, and correcting environment variable interpolation
• Converted template.toml from table syntax to required array syntax for env and mounts sections

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
meta.json	Updated metadata entry with correct version (v0.5.1), corrected GitHub organization links from docling-project to DS4SD, removed dockerhub reference
blueprints/docling-serve/template.toml	Converted environment variables and mounts from table to array format, aligned with project standards
blueprints/docling-serve/docker-compose.yml	Added version declaration, switched to official ghcr.io image with pinned version, removed ports section, fixed env var interpolation, corrected volume mount path, removed healthcheck

[Copilot]

The docs URL points to the README anchor, but a more specific documentation URL would be beneficial if available. Consider using 'https://ds4sd.github.io/docling/' which is the official documentation site for the Docling project.

Suggested change

	"docs": "https://github.com/DS4SD/docling-serve#readme"
	"docs": "https://ds4sd.github.io/docling/"

[Copilot]

The mounts array is empty, but the docker-compose.yml file defines a volume mount at /opt/app-root/src/.cache/docling/models. This volume should be declared in the mounts array to ensure proper persistence configuration. Add a mount entry with type 'volume' for the docling-data volume.

Suggested change

	mounts = []
	[[config.mounts]]
	type = "volume"
	name = "docling-data"
	mountPath = "/opt/app-root/src/.cache/docling/models"

[Copilot]

Volume declaration is missing explicit driver or labels. According to project conventions, volumes should be declared with empty braces {} if no specific configuration is needed, for clarity and consistency with other templates.

Suggested change

	docling-data:
	docling-data: {}

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