diff --git a/.github/workflows/docker-publish-tester.yml b/.github/workflows/docker-publish-tester.yml
new file mode 100644
index 0000000..1bfda44
--- /dev/null
+++ b/.github/workflows/docker-publish-tester.yml
@@ -0,0 +1,44 @@
+# Publishes docker image, pinning actions to a commit SHA,
+# and updating most recently built image with the latest tag.
+# Can be triggered by either pushing a commit that changes the `Dockerfile`, 
+# or manually dispatching the workflow.
+
+name: Publish Docker image (Testing Purposes)
+
+on: 
+  workflow_dispatch:
+  push: 
+    paths: 
+      - 'base-python/course-example/Dockerfile'
+      
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+      
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ubcmds/pl-testing
+          tags: |
+            type=raw, value=pythonRebuild
+            type=raw, value=latest
+      
+      - name: Build and push Docker image
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+        with:
+          context: ./base-python/course-example/
+          file: base-python/course-example/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/base-python/course-example/Dockerfile b/base-python/course-example/Dockerfile
index 4d8afa8..6112b90 100644
--- a/base-python/course-example/Dockerfile
+++ b/base-python/course-example/Dockerfile
@@ -1,5 +1,5 @@
 # Use the base image provided by MDS
-FROM zacwarham/no-jedi:one
+FROM base-python:6acbbd2
 
 # Define additional packages that are specific to this course
 ENV PYTHON_PACKAGES="scipy"