Add ToolJet + Couchbase integration tutorial

[teetangh]

Summary

• Adds a new tutorial under tutorial/markdown/connectors/tooljet/ for building an Airline Dashboard using ToolJet and Couchbase
• Covers all 6 Couchbase plugin operations: Get Document, Create Document, Update Document, Delete Document, SQL++ Query, and Full-Text Search
• Uses the travel-sample dataset with setup paths for both Capella and self-managed clusters (collapsible toggle sections)
• Follows existing tutorial conventions (frontmatter schema, connectors directory, ~30 min length)

Context

Couchbase was added as a marketplace plugin to ToolJet via ToolJet PR #14518 (merged Feb 2026). This tutorial provides the hands-on guide for Couchbase users to get started with the integration.

Tutorial Outline

1. Prerequisites (Couchbase cluster + ToolJet instance setup)
2. Install the Couchbase plugin from ToolJet Marketplace
3. Configure the data source (Data API URL, credentials)
4. SQL++ query to list airlines
5. Display results in a Table component
6. View airline details (Get Document)
7. Create new airline (Create Document)
8. Edit airline (Update Document)
9. Delete airline (Delete Document)
10. Full-Text Search with FTS index

Test plan

• Verify frontmatter passes npm run test:frontmatter validation
• Verify all SQL++ queries are valid against travel-sample schema
• Verify tutorial renders correctly on the Developer Portal
• Test both Capella and self-managed setup paths end-to-end

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a new, detailed tutorial designed to guide users through building a functional Airline Dashboard application using ToolJet's low-code platform and Couchbase. The tutorial provides a hands-on experience, showcasing how to leverage the Couchbase marketplace plugin to perform various database operations, from basic CRUD to advanced SQL++ queries and Full-Text Search, with clear setup paths for both cloud and self-managed Couchbase environments. The primary goal is to empower users to quickly get started with the ToolJet-Couchbase integration and build internal tools without writing extensive backend or frontend code.

Highlights

• New Tutorial Content: Added a comprehensive tutorial demonstrating the integration of ToolJet with Couchbase to build an Airline Dashboard.
• Couchbase Operations Covered: The tutorial covers all six Couchbase plugin operations: Get Document, Create Document, Update Document, Delete Document, SQL++ Query, and Full-Text Search.
• Flexible Setup Options: Included detailed setup instructions for both Couchbase Capella (cloud) and self-managed clusters, utilizing the travel-sample dataset.
• Adherence to Standards: Ensured the new tutorial follows existing documentation conventions, including frontmatter schema and placement within the connectors directory.

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[gemini-code-assist]

Code Review

This pull request adds a new, comprehensive tutorial for building an airline dashboard with ToolJet and Couchbase. The tutorial is well-structured and covers a wide range of operations. I've provided a few suggestions to enhance security, ensure the tutorial's long-term stability by version-pinning Docker images, and align the content with its stated learning objectives. Addressing the invalid frontmatter tags is also necessary to pass the validation checks.

[prajwal-pai77]

Needs some changes wrt the following:

• Add links to the documentation wherever needed and point to the right docs links
• Add screenshot/photos wherever needed to show user the dashboard

[teetangh]

Review feedback addressed (commits `14700d3`, `cdeb5cc`)

Fixed

#	Comment	Change
1	Add an overview section	Added `## Overview` heading before the intro paragraph
2	Link prerequisite to Couchbase Cluster Setup section	Added anchor link `#couchbase-cluster-setup`
3	Link prerequisite to ToolJet Setup section	Added anchor link `#tooljet-setup`
4	Add docs link for loading travel-sample in Capella	Added link to Couchbase Capella import docs
5	Add docs link for allowing IPs in Capella	Added link to Allow IP Address on Capella
6	Self-managed endpoint doesn't have to be localhost	Clarified both the browser URL and Data API endpoint to use ``, with a note that `localhost` applies only when running locally
7	Same as above (Data API endpoint)	Same fix applied to the Data API endpoint code block
8	Add link to ToolJet self-hosted setup docs	Added link to ToolJet self-hosting guide
9	Remove the connection details table in Step 2	Replaced table with a single prose sentence
10	Remove duplicate Capella/Self-Managed sub-sections inside Step 2	Removed both ` Details ` blocks — fully covered in Prerequisites
11	FTS index sections should be in Prerequisites, not Step 9	Moved both Capella and Self-Managed FTS index creation into a new `### Create an FTS Index` subsection in Prerequisites; Step 9 now has a cross-reference link
12	Add screenshots for Steps 2, 3, parameterized query, Get/Create/Update/Delete Document, FTS Search	Added 8 screenshots from the ToolJet Couchbase plugin docs, co-located with the markdown file

Screenshots added:

Step	Screenshot
Step 2 — Configure data source	`connection-v2.png` — connection form
Step 3 — Create SQL++ query	`listops.png` — operations dropdown, `query-v2.png` — configured query
Step 5 — Get Document	`get-doc.png`
Step 6 — Create Document	`create-doc.png`
Step 7 — Update Document	`update-doc.png`
Step 8 — Delete Document	`delete-doc.png`
Step 9 — FTS Search	`fts-search-v2.png`

Still pending — Step 1 (Install plugin) screenshot

No existing screenshot for the Marketplace install flow. Needs manual capture from a live ToolJet instance.

Not changed

Line 289 (Step 6 modal form) — The comment noted this section was unclear and suggested a screenshot or rephrasing. The text explicitly lists every input component by name, label, and placeholder, so a rephrasing alone would not add meaningful clarity. This is best addressed by the screenshot pass above.