diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 1e7c882..0b3dcbd 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -10,7 +10,7 @@ on:
 env:
   BASE_IMAGE_USER: driplineorg
   BASE_IMAGE_REPO: dripline-python
-  BASE_IMAGE_VER: 'develop'
+  BASE_IMAGE_VER: 'v5.1.0'
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
 
@@ -129,6 +129,11 @@ jobs:
           tags: ${{ steps.docker_meta.outputs.tags }}
           platforms: linux/amd64,linux/arm64,linux/arm/v7
 
-      - name: Release
-        uses: softprops/action-gh-release@v2
+      - name: Release with a changelog
+        uses: rasmus-saks/release-a-changelog-action@v1.2.0
         if: ${{ github.event_name == 'push' && contains(github.ref, 'refs/tags/') }}
+        with:
+          github-token: '${{ secrets.GITHUB_TOKEN }}'
+          path: 'changelog.md'
+          title-template: 'Dragonfly v{version} -- Release Notes'
+          tag-template: 'v{version}'
diff --git a/Dockerfile b/Dockerfile
index 27455bb..255ba4f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG img_user=ghcr.io/driplineorg
 ARG img_repo=dripline-python
 #ARG img_tag=develop-dev
-ARG img_tag=receiver-test
+ARG img_tag=v5.1.0
 
 FROM ${img_user}/${img_repo}:${img_tag}
 
diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..c291376
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,34 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+Types of changes: Added, Changed, Deprecated, Removed, Fixed, Security
+
+## [Unreleased]
+
+### Added
+
+- Thermo Fisher Chiller service and endpoint added
+- Added prototypical Docker Compose file
+- Added this changelog and GHA step to use it in making releases
+
+### Changed
+
+- Updated GHA workflow and Python package build
+- Switch GHA Linux runners to Ubuntu 22.04
+- dl-py base version updated to v5.1.0
+
+## [2.0.1] - 2024-04-25
+
+### Changed
+
+- dl-py version updated to v4.7.1
+
+## [2.0.0] -- 2022-05-26
+
+### Changed
+
+- First dl3 implementation