diff --git a/docs/source/conf.py b/docs/source/conf.py
index 2ea3e4f327..a5a271d8d5 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -18,6 +18,15 @@ import re
 import os
 import subprocess
 
+# Define the canonical URL for our custom docs.podman.io domain configured on Read the Docs
+html_baseurl = os.environ.get("READTHEDOCS_CANONICAL_URL", "")
+
+# Tell Jinja2 templates the build is running on Read the Docs
+if os.environ.get("READTHEDOCS", "") == "True":
+    if "html_context" not in globals():
+        html_context = {}
+    html_context["READTHEDOCS"] = True
+
 # We have to run the preprocessor to create the actual markdown files from .in files.
 # Do it here so the it can work on readthedocs as well.
 path = os.path.join(os.path.abspath(os.path.dirname(