diff --git a/helm-chart/images/binderhub/binderhub_config.py b/helm-chart/binderhub/files/binderhub_config.py
similarity index 100%
rename from helm-chart/images/binderhub/binderhub_config.py
rename to helm-chart/binderhub/files/binderhub_config.py
diff --git a/helm-chart/binderhub/templates/configmap.yaml b/helm-chart/binderhub/templates/configmap.yaml
index 2948c6fb9..1cb9cf0f8 100644
--- a/helm-chart/binderhub/templates/configmap.yaml
+++ b/helm-chart/binderhub/templates/configmap.yaml
@@ -19,3 +19,6 @@ data:
   values.yaml: |
     {{- $values | toYaml | nindent 4 }}
 
+  {{- /* Glob files to allow them to be mounted by the binderhub pod */ -}}
+  {{- /* key=filename: value=content */ -}}
+  {{- (.Files.Glob "files/*").AsConfig | nindent 2 }}
diff --git a/helm-chart/binderhub/templates/deployment.yaml b/helm-chart/binderhub/templates/deployment.yaml
index 4abfd9d81..788527e43 100644
--- a/helm-chart/binderhub/templates/deployment.yaml
+++ b/helm-chart/binderhub/templates/deployment.yaml
@@ -64,6 +64,9 @@ spec:
       containers:
       - name: binder
         image: {{ .Values.image.name }}:{{ .Values.image.tag }}
+        args:
+          - --config
+          - /etc/binderhub/config/binderhub_config.py
         volumeMounts:
           - mountPath: /etc/binderhub/config/
             name: config
diff --git a/helm-chart/images/binderhub/Dockerfile b/helm-chart/images/binderhub/Dockerfile
index 9e42b171c..d44135762 100644
--- a/helm-chart/images/binderhub/Dockerfile
+++ b/helm-chart/images/binderhub/Dockerfile
@@ -38,11 +38,7 @@ RUN pip install --no-cache-dir \
         *.whl \
         -r requirements.txt
 
-# Copy the binderhub configuration to use.
-# FUTURE: Follow the approach taken in Z2JH:
-#         https://github.com/jupyterhub/zero-to-jupyterhub-k8s/pull/1478
-COPY helm-chart/images/binderhub/binderhub_config.py .
-
-CMD ["python3", "-m", "binderhub"]
+ENTRYPOINT ["python3", "-m", "binderhub"]
+CMD ["--config", "/etc/binderhub/config/binderhub_config.py"]
 ENV PYTHONUNBUFFERED=1
 EXPOSE 8585