diff --git a/docs/bootstrap-instance-with-docker.md b/docs/bootstrap-instance-with-docker.md
index 17a4c220..ab24da05 100644
--- a/docs/bootstrap-instance-with-docker.md
+++ b/docs/bootstrap-instance-with-docker.md
@@ -1,13 +1,14 @@
 # Bootstrapping a Houdini Instance Using Docker
 
-This file complements [the existing docker documentation](docker.md).  The file
-documents, in great detail, how to bootstrap Houdini into a docker image from
-complete scratch.  Special attention was given to verifying the licensing
-requirements and details, and to attempt to reproduce the creation of the
-Docker image from scratch in the most complete way.  Some of the instructions
-herein are not specific to Houdini or Ruby on Rails applications at all;
-rather, they are simply documentation of steps that at least one user went
-through to bootstrap to a usable docker image.
+This file complements [the existing docker documentation](docker.md).  The
+file documents, in great detail, how to bootstrap Houdini into a docker
+image, primarily from source code wherever possible, from complete scratch.
+Special attention was given to verifying the licensing requirements and
+details, and to attempt to reproduce the creation of the Docker image from
+scratch in the most complete way.  Some of the instructions herein are not
+specific to Houdini or Ruby on Rails applications at all; rather, they are
+simply documentation of steps that at least one user went through to
+bootstrap to a usable docker image.
 
 Commands that were run as pure root have the `#` in front of them; commands
 run as a regular user (which sometimes include `sudo`, so note that some of
@@ -33,3 +34,31 @@ If the last command gets the error …
 the  `docker` group.
 
 This creates a docker image named `bullseye-base` on your system.
+
+## Building Node 14 from Source
+
+Currently, the default Docker image uses the Debian `nodejs` version
+`14.17.4-deb-1nodesource1` as downloaded from this apt-source entry:
+
+    deb [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_14.x bullseye main
+
+… which leads to this line in the apt-get output:
+
+    Get:9 https://deb.nodesource.com/node_14.x bullseye/main amd64 nodejs amd64 14.17.4-deb-1nodesource1 [25.0 MB]
+
+We have not yet provided a method yet to bootstrap the necessary version of
+Node from source.
+
+## Building Yarn 14 from Source
+
+Currently, the default Docker image uses the Debian `nodejs` version
+`1.22.5-1` as downloaded from this apt-source entry:
+
+    deb [signed-by=/usr/share/keyrings/nodesource.gpg] https://deb.nodesource.com/node_14.x bullseye main
+
+… which leads to this line in the apt-get output:
+
+     Get:6 https://dl.yarnpkg.com/debian stable/main amd64 yarn all 1.22.5-1 [891 kB]
+
+We have not provided a method yet to bootstrap the necessary version of
+Yarn from source.