diff --git a/tutor/commands/compose.py b/tutor/commands/compose.py
index 7484dc6d592..8e66c6d46ff 100644
--- a/tutor/commands/compose.py
+++ b/tutor/commands/compose.py
@@ -114,23 +114,6 @@ def launch(
         click.echo(fmt.title("Docker image updates"))
         context.invoke(dc_command, command="pull")
 
-    # TODO: Find a way to do this that doesn't hard-code understanding of lms and the edx-platform repo?
-    asset_targets = [
-        "node_modules",
-        "lms/static/css",
-        "lms/static/certificates/css",
-        "cms/static/css",
-        "common/static/bundles",
-    ]
-    if not run_for_prod:
-        if "edx-platform" in bindmount.get_mounts(config):
-            _, host_path, container_path = bindmount.parse_mount("edx-platform")[0]
-            click.echo(fmt.title("Copying generated assets from image to bind-mounted repo."))
-            for target in asset_targets:
-                context.invoke(f"echo bash -c 'if [[ -d {target} ]] ; then mv {target} {target.bak} ; fi'")
-                context.invoke(dc_command, command="cp", args=["--dry-run", f"lms:{host_path}/{target}", f"{host_path}/{target}"])
-    return
-
     click.echo(fmt.title("Starting the platform in detached mode"))
     context.invoke(start, detach=True)
 
diff --git a/tutor/templates/build/openedx/Dockerfile b/tutor/templates/build/openedx/Dockerfile
index 47bd353a1dc..1f817018941 100644
--- a/tutor/templates/build/openedx/Dockerfile
+++ b/tutor/templates/build/openedx/Dockerfile
@@ -66,6 +66,7 @@ FROM minimal as code
 ###### Checkout edx-platform code
 ARG EDX_PLATFORM_REPOSITORY={{ EDX_PLATFORM_REPOSITORY }}
 ARG EDX_PLATFORM_VERSION={{ EDX_PLATFORM_VERSION }}
+RUN echo break cache 200
 RUN mkdir -p /openedx/edx-platform && \
     git clone $EDX_PLATFORM_REPOSITORY --branch $EDX_PLATFORM_VERSION --depth 1 /openedx/edx-platform
 WORKDIR /openedx/edx-platform
@@ -425,10 +426,10 @@ FROM application as production
 
 # Copy in and collect production static assets.
 COPY --chown=app:app --from=bundles-production /openedx/staticfiles /openedx/staticfiles
-COPY --chown=app:app --from=bundles-production /openedx/edx-platform/common/static/bundles common/static/bundles
-COPY --chown=app:app --from=css-production /openedx/edx-platform/lms/static/css lms/static/css
-COPY --chown=app:app --from=css-production /openedx/edx-platform/lms/static/certificates/css ms/static/certificates/css
-COPY --chown=app:app --from=css-production /openedx/edx-platform/cms/static/css cms/static/css
+COPY --chown=app:app --from=bundles-production /openedx/edx-platform/common/static/bundles /openedx/edx-platform/common/static/bundles
+COPY --chown=app:app --from=css-production /openedx/edx-platform/lms/static/css /openedx/edx-platform/lms/static/css
+COPY --chown=app:app --from=css-production /openedx/edx-platform/lms/static/certificates/css /openedx/edx-platform/lms/static/certificates/css
+COPY --chown=app:app --from=css-production /openedx/edx-platform/cms/static/css /openedx/edx-platform/cms/static/css
 RUN ./manage.py lms collectstatic --noinput --settings=tutor.assets
 RUN ./manage.py cms collectstatic --noinput --settings=tutor.assets
 
@@ -475,13 +476,20 @@ RUN --mount=type=cache,target=/openedx/.cache/pip,sharing=shared \
 ENV PYTHONBREAKPOINT=ipdb.set_trace
 
 # Copy in development static assets.
-# In development mode, edx-platform expects the files to be in the repo, and pointed to by webpack-stats.json.
+# In development mode, edx-platform expects the files to be in the repo, and pointed to by webpack-stats.json...
 COPY --chown=app:app --from=bundles-development /openedx/staticfiles/webpack-stats.json /openedx/staticfiles/webpack-stats.json
 COPY --chown=app:app --from=bundles-development /openedx/staticfiles/studio/webpack-stats.json /openedx/staticfiles/studio/webpack-stats.json
-COPY --chown=app:app --from=bundles-development /openedx/edx-platform/common/static/bundles common/static/bundles
-COPY --chown=app:app --from=css-development /openedx/edx-platform/lms/static/css lms/static/css
-COPY --chown=app:app --from=css-development /openedx/edx-platform/lms/static/certificates/css lms/static/certificates/css
-COPY --chown=app:app --from=css-development /openedx/edx-platform/cms/static/css cms/static/css
+
+# ...however, we instead copy the files into the /openedx/devcache directory; otherwise, bind-mounting edx-platform
+# would clobber them and force the user to rebuild assets.
+COPY --chown=app:app --from=bundles-development /openedx/edx-platform/common/static/bundles /openedx/devcache/common/static/bundles
+COPY --chown=app:app --from=css-development /openedx/edx-platform/lms/static/css /openedx/devcache/lms/static/css
+COPY --chown=app:app --from=css-development /openedx/edx-platform/lms/static/certificates/css /openedx/devcache/lms/static/certificates/css
+COPY --chown=app:app --from=css-development /openedx/edx-platform/cms/static/css /openedx/devcache/cms/static/css
+RUN mv node_modules /openedx/devcache/node_modules
+
+# Create links for static dirs from edx-platform to devcache.
+RUN link-static-to-devcache
 
 {{ patch("openedx-dev-dockerfile-post-python-requirements") }}
 
diff --git a/tutor/templates/build/openedx/bin/link-static-to-devcache b/tutor/templates/build/openedx/bin/link-static-to-devcache
new file mode 100755
index 00000000000..f90ed5e6cd1
--- /dev/null
+++ b/tutor/templates/build/openedx/bin/link-static-to-devcache
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+cd /openedx/edx-platform
+
+for path in node_modules common/static/bundles lms/static/css lms/static/certificates/css cms/static/css ; do
+	if [[ -L "$path" ]] ; then
+		rm -rf "$path"
+	elif [[ -e "$path" ]] ; then
+		mv "$path" "${path}.bak"
+	fi
+	ln -s "/openedx/devcache/$path" "$path"
+done
diff --git a/tutor/templates/jobs/init/mounted-edx-platform.sh b/tutor/templates/jobs/init/mounted-edx-platform.sh
index 6fde238e5a1..f5b1dbbe88b 100644
--- a/tutor/templates/jobs/init/mounted-edx-platform.sh
+++ b/tutor/templates/jobs/init/mounted-edx-platform.sh
@@ -16,8 +16,11 @@ set -x # Echo out executed lines
 # Regenerate Open_edX.egg-info
 pip install -e .
 
-# Regenerate node_copies
-npm postinstall
+# Regenerate node_modules
+npm clean-install
+
+# Link to static assets in dev image.
+link-static-to-devcache
 
 set -x
 echo "Done setting up bind-mounted edx-platform."