diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -8,6 +8,14 @@ Template repository for building a docker image including all of the GitHub acti
 
 TODO: fill me in
 
-## Template features
+## Dependencies
 
-TODO: fill me in
+The following dependencies must be installed on your development machine to properly develop this repo:
+
+- [make](https://www.gnu.org/software/make/)
+- [docker](https://www.docker.com/)
+
+## Features
+
+For full documentation on all of the features provided in this repo, see
+[./template-features.md](./template-features.md)
diff --git a/template-features.md b/template-features.md
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@@ -0,0 +1,96 @@
+# Features
+
+This template provides the following features
+
+## Automated PR testing
+
+Any time a PR is opened for the repo, then the [Docker Build and Publish](./.github/workflows/docker-build-publish.yaml)
+workflow gets kicked off and validates [linting](#linting) of source files, and [building](#docker-build) of the Dockerfile.
+
+## GitHub Container Registry Publishing
+
+Docker images are published to the GitHub container registry for this repo under the following circumstances:
+
+- new commit on the `main` branch
+- new [semantic version](https://semver.org/) tag is pushed to the repo
+
+Under both of these circumstances, the whole [Docker Build and Publish](./.github/workflows/docker-build-publish.yaml)
+workflow is executed, and only on success is the corresponding tag in the registry either created or updated.
+
+Publishing to the registry is provided by the [docker/build-push-action](https://github.com/docker/build-push-action)
+GitHub action.
+
+When a semantic version tag is published to the registry, then a
+[GitHub Release](https://docs.github.com/en/repositories/releasing-projects-on-github/about-releases) is also automatically
+created in the repo.
+
+## Automated GitHub Release Creation
+
+In order to automate creating new releases in the GitHub repo, the
+[softprops/action-gh-release](https://github.com/softprops/action-gh-release) GitHub action is used.
+
+Furthermore, the release notes for the release are automatically created from completed PRs in the repo.  This is done
+according to the
+[GitHub automatic release notes](https://docs.github.com/en/repositories/releasing-projects-on-github/automatically-generated-release-notes)
+feature, and the configuration in this repo found at [./.github/release.yml](./.github/release.yml).  Using the correct
+tags on PRs will put them into the appropriate section of the automatically generated release notes.
+
+## Makefile driven local testing
+
+All supported testing can be easily driven locally with simple `make` commands.
+
+To run all checks that a PR runs:
+
+```bash
+make ready
+```
+
+To just run [linting](#linting)
+
+```bash
+make lint
+```
+
+To jus run the [docker build](#docker-build)
+
+```bash
+make build
+```
+
+## Docker Build
+
+The `make build` target will build the docker image locally, tag it with a [dirty tag](#docker-dirty-tag) and then run
+CI efficiency checks on the created image with [dive](https://github.com/wagoodman/dive)
+
+When the local docker build runs, it also should tag it with the same full image that that would exist as when the image
+is [published to the GitHub container registry](#github-container-registry-publishing).  The way it figures out this
+name is by parsing the value of `remote.origin.url` in the current git repo workspace.  This should work as long as
+you've cloned the repo using `https` or `ssh` from GitHub.  If you did something different, then this may not work and
+you should review the section of the makefile that does this parsing.  You would know it's not working properly because
+`make build` wouldn't be creating appropriate image names for the image you are building.
+
+### Docker dirty tag
+
+In order to differentiate locally built images from those built in CI we create a `dirty` tag to tag the built image
+with.  This tag is created using the following format:
+
+`WHOAMI-GITDESCRIBE-dirty`
+
+Where `WHOAMI` is the output from `whoami` which is the current username, and `GITDESCRIBE` is the output of
+`git describe --always`.
+
+## Linting
+
+Any good software CI setup includes fast and helpful linting.  To that end, we provide plenty of it setup in this repo.
+
+### Dockerfile Linting
+
+Linting of the Dockerfile is provided via [hadolint](https://github.com/hadolint/hadolint)
+
+### Markdown Linting
+
+Linting of all markdown files is provided by [markdownlint-cli](https://github.com/igorshubovych/markdownlint-cli)
+
+### YAML Linting
+
+Linting of all YAML files is provided by [pipelinecomponents/yamllint](https://hub.docker.com/r/pipelinecomponents/yamllint)