From 803646ca3571fefdf29a07cdc48647d1495cf812 Mon Sep 17 00:00:00 2001
From: Manuel Kaufmann <humitos@gmail.com>
Date: Thu, 1 Feb 2024 14:14:25 +0100
Subject: [PATCH] Build: add support for Ruby (#11075)

Closes #10346
Requires https://github.com/readthedocs/readthedocs-docker-images/pull/200
---
 docs/user/config-file/v2.rst           | 11 ++++++++++-
 readthedocs/builds/constants_docker.py |  3 +++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/docs/user/config-file/v2.rst b/docs/user/config-file/v2.rst
index 61fb4859636..c3c5adfe919 100644
--- a/docs/user/config-file/v2.rst
+++ b/docs/user/config-file/v2.rst
@@ -283,7 +283,7 @@ build.tools
 Version specifiers for each tool. It must contain at least one tool.
 
 :Type: ``dict``
-:Options: ``python``, ``nodejs``, ``rust``, ``golang``
+:Options: ``python``, ``nodejs``, ``ruby``, ``rust``, ``golang``
 :Required: ``true``
 
 build.tools.python
@@ -326,6 +326,15 @@ Node.js version to use.
    - ``19``
    - ``20``
 
+build.tools.ruby
+````````````````
+
+Ruby version to use.
+
+:Type: ``string``
+:Options:
+   - ``3.3``
+
 build.tools.rust
 ````````````````
 
diff --git a/readthedocs/builds/constants_docker.py b/readthedocs/builds/constants_docker.py
index 3d8e1bf638a..c61c0112367 100644
--- a/readthedocs/builds/constants_docker.py
+++ b/readthedocs/builds/constants_docker.py
@@ -50,6 +50,9 @@
             "19": "19.0.1",
             "20": "20.11.0",  # LTS
         },
+        "ruby": {
+            "3.3": "3.3.0",
+        },
         "rust": {
             "1.55": "1.55.0",
             "1.61": "1.61.0",