docs: Nginx configuration and SSL certificate management for Langflow remote server

[mendonk]

Document the following on a digital ocean ubuntu VM:

1. Install Langflow on a remote VM.
2. Install an Nginx reverse proxy.
3. Install Certbot/Let's Encrypt to manage SSL certificates.

Demo available at https://necrotic-mutox.space/

Summary by CodeRabbit

• Documentation
  • New guide: Deploy Langflow with Nginx reverse proxy and Let's Encrypt SSL on a Linux VM, including prerequisites, setup commands, Nginx config, Certbot, and HTTPS verification.
  • Includes steps to enable the site, check syntax, and restart services.
  • Deployment overview updated to include the Nginx + SSL option.
  • Navigation updated to list the new guide under Deploy > Containerized deployments.

[coderabbitai]

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Walkthrough

Adds a new Nginx + Certbot SSL deployment guide, links it from the deployment overview, and registers it in the docs sidebar under Deploy > Containerized deployments.

Changes

Cohort / File(s)	Summary
New Nginx + SSL deployment guide docs/docs/Deployment/deployment-nginx-ssl.mdx	Adds a new guide for deploying on a Linux VM with Nginx reverse proxy and Certbot-managed SSL, including prerequisites, commands, Nginx config, and verification steps.
Deployment overview update docs/docs/Deployment/deployment-overview.mdx	Adds a new entry describing the Nginx + Let's Encrypt deployment option.
Sidebar registration docs/sidebars.js	Inserts a new doc item under Deploy → Containerized deployments: id Deployment/deployment-nginx-ssl, label “Deploy Langflow with Nginx and SSL”.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• docs: refresh develop overview page #9177 — Also updates deployment-overview.mdx to adjust deployment options, overlapping with this PR’s overview changes.
• docs: quick guide for public deployment #8712 — Adds deployment documentation and updates docs/sidebars.js to insert a new Deployment doc item in a similar location.

Suggested labels

documentation, size:L

Suggested reviewers

• aimurphy
• ogabrielluiz

Pre-merge checks and finishing touches

✅ Passed checks (7 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The title clearly and concisely summarizes the main change by indicating new documentation for Nginx configuration and SSL certificate management for a Langflow remote server, aligning directly with the PR’s objectives. It avoids unnecessary detail while highlighting the key focus.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.
Test Coverage For New Implementations	✅ Passed	Only documentation files were added or modified in this PR, with no backend or frontend code changes introducing new behavior, so no new tests are required to cover functionality changes.
Test Quality And Coverage	✅ Passed	This pull request only adds documentation files and updates the deployment sidebar entry without introducing any new executable code or testable functionality, so there are no relevant tests to evaluate and existing coverage remains unaffected.
Test File Naming And Structure	✅ Passed	This pull request only adds documentation files and updates the docs sidebar; no backend, frontend, or integration test files were added or modified, so the existing test suite naming conventions, structure, and coverage expectations remain unchanged and compliant with the prescribed patterns. Therefore, the custom check passes by virtue of no test-related alterations requiring further validation.
Excessive Mock Usage Warning	✅ Passed	No test files were modified in this pull request and the changes are limited to documentation, so no additional mocks were introduced or modified; therefore the repository’s existing mock usage remains unaffected and there is no evidence of excessive mocking related to this PR.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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[coderabbitai]

Actionable comments posted: 9

🧹 Nitpick comments (3)

docs/docs/Deployment/deployment-nginx-ssl.mdx (3)

42-42: Use the correct capitalization for DigitalOcean.

The brand name should be "DigitalOcean" (one word) for consistency with official documentation.

Apply this diff:

-For example, if you are using a Digital Ocean cloud server, add this SSH key when the server is created, or with the [Digital Ocean control panel](https://docs.digitalocean.com/products/droplets/how-to/add-ssh-keys/).
+For example, if you are using a DigitalOcean cloud server, add this SSH key when the server is created, or with the [DigitalOcean control panel](https://docs.digitalocean.com/products/droplets/how-to/add-ssh-keys/).

---

58-58: Fix capitalization consistency.

The sentence mentions "Digital Ocean" but should use "DigitalOcean" for brand consistency.

Apply this diff:

-The following response was returned after connecting to a Digital Ocean cloud server.
+The following response was returned after connecting to a DigitalOcean cloud server.

---

97-97: Fix markdown formatting for the URL.

The backtick is incorrectly placed inside "your", making the formatting awkward.

Apply this diff:

-    Test access at your `http://YOUR_PUBLIC_IP:7860`.
+    Test access at `http://YOUR_PUBLIC_IP:7860`.

📜 Review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 312225b and 0639aef.

📒 Files selected for processing (3)

• docs/docs/Deployment/deployment-nginx-ssl.mdx (1 hunks)
• docs/docs/Deployment/deployment-overview.mdx (1 hunks)
• docs/sidebars.js (1 hunks)

🧰 Additional context used

📓 Path-based instructions (3)

docs/**/*.{md,mdx}

📄 CodeRabbit inference engine (.cursor/rules/docs_development.mdc)

docs/**/*.{md,mdx}: All Markdown/MDX pages must start with front matter including at least title and description; include sidebar_position for docs pages when applicable
Code blocks must specify a language and may include a title (```lang title="…")
Use sentence case for headings and keep paragraphs short and scannable
Write in second person, present tense, with a professional but approachable tone
Use inline code with backticks for code terms; use bold for UI elements and italics for emphasis; keep lists in parallel structure
Ensure internal links are functional and navigation works (update cross-references as needed)
Verify all code examples in docs and blog actually run as shown
Use correct terminology capitalization: Langflow, Component, Flow, API, JSON
Reference images with absolute paths under /img/... and provide descriptive alt text

Files:

• docs/docs/Deployment/deployment-overview.mdx
• docs/docs/Deployment/deployment-nginx-ssl.mdx

docs/docs/**/*.{md,mdx}

📄 CodeRabbit inference engine (.cursor/rules/docs_development.mdc)

Use Docusaurus admonitions (:::+tip|warning|danger) instead of custom callouts in docs pages

Files:

• docs/docs/Deployment/deployment-overview.mdx
• docs/docs/Deployment/deployment-nginx-ssl.mdx

docs/sidebars.js

📄 CodeRabbit inference engine (.cursor/rules/docs_development.mdc)

Keep sidebars.js updated to include new/changed docs sections and items using Docusaurus category structure

Files:

• docs/sidebars.js

🧠 Learnings (1)

📚 Learning: 2025-09-30T00:09:51.631Z

Learnt from: CR
PR: langflow-ai/langflow#0
File: .cursor/rules/docs_development.mdc:0-0
Timestamp: 2025-09-30T00:09:51.631Z
Learning: Applies to docs/sidebars.js : Keep sidebars.js updated to include new/changed docs sections and items using Docusaurus category structure

Applied to files:

• docs/sidebars.js

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)

• GitHub Check: Test Docs Build / Test Docs Build
• GitHub Check: build-and-deploy

🔇 Additional comments (2)

docs/docs/Deployment/deployment-overview.mdx (1)

17-18: LGTM!

The new deployment option is clearly described and properly positioned in the deployment overview.

docs/sidebars.js (1)

194-198: LGTM!

The sidebar entry is properly structured and logically positioned within the "Containerized deployments" category, alongside related deployment options.

Based on learnings.

[Empreiteiro]

LGTM

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

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