diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index f9462b0..82497ce 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,38 +1,22 @@
-#-------------------------------------------------------------------------------------------------------------
-# Copyright (c) Microsoft Corporation. All rights reserved.
-# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
-#-------------------------------------------------------------------------------------------------------------
-
-# Update the VARIANT arg in devcontainer.json to pick a Python version: 3, 3.8, 3.7, 3.6 
-# To fully customize the contents of this image, use the following Dockerfile instead:
-# https://github.com/microsoft/vscode-dev-containers/tree/v0.109.0/containers/python-3/.devcontainer/base.Dockerfile
-ARG VARIANT=3
+# See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.134.0/containers/python-3/.devcontainer/base.Dockerfile
+ARG VARIANT="3"
 FROM mcr.microsoft.com/vscode/devcontainers/python:0-${VARIANT}
 
-# [Optional] If your requirements rarely change, uncomment this section to add them to the image.
-#
-# COPY requirements.txt /tmp/pip-tmp/
-# RUN pip3 --disable-pip-version-check --no-cache-dir install -r /tmp/pip-tmp/requirements.txt \
-#    && rm -rf /tmp/pip-tmp
-
 # [Optional] Allow the vscode user to pip install globally w/o sudo
 ENV PIP_TARGET=/usr/local/pip-global
 ENV PYTHONPATH=${PIP_TARGET}:${PYTHONPATH}
 ENV PATH=${PIP_TARGET}/bin:${PATH}
 RUN mkdir -p ${PIP_TARGET} \
     && chown vscode:root ${PIP_TARGET} \
-    && export SNIPPET="if [ \"\$(stat -c '%U' ${PIP_TARGET})\" != \"vscode\" ]; then chown -R vscode:root ${PIP_TARGET}; fi" \
-    && echo "$SNIPPET" | tee -a /root/.bashrc >> /home/vscode/.bashrc \
-    && echo "$SNIPPET" | tee -a /root/.zshrc >> /home/vscode/.zshrc
+    && echo "if [ \"\$(stat -c '%U' ${PIP_TARGET})\" != \"vscode\" ]; then chown -R vscode:root ${PIP_TARGET}; fi" \
+        | tee -a /root/.bashrc /home/vscode/.bashrc /root/.zshrc >> /home/vscode/.zshrc 
 
-# [Optional] Uncomment this section to install additional packages.
-#
-# ENV DEBIAN_FRONTEND=noninteractive
+# [Optional] If your pip requirements rarely change, uncomment this section to add them to the image.
+# COPY requirements.txt /tmp/pip-tmp/
+# RUN pip3 --disable-pip-version-check --no-cache-dir install -r /tmp/pip-tmp/requirements.txt \
+#    && rm -rf /tmp/pip-tmp
+
+# [Optional] Uncomment this section to install additional OS packages.
 # RUN apt-get update \
-#    && apt-get -y install --no-install-recommends <your-package-list-here> \
-#    #
-#    # Clean up
-#    && apt-get autoremove -y \
-#    && apt-get clean -y \
-#    && rm -rf /var/lib/apt/lists/*
-# ENV DEBIAN_FRONTEND=dialog
+#     && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 9723584..1c77865 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -1,11 +1,12 @@
+// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.134.0/containers/python-3
 {
-	"name": "Python 3 Sample",
-	"context": "..",
+	"name": "Python 3",
 	"build": {
 		"dockerfile": "Dockerfile",
-		// Update 'VARIANT' to pick a Python version. Rebuild the container 
-		// if it already exists to update. Available variants: 3, 3.6, 3.7, 3.8 
-		"args": { "VARIANT": "3.7" }
+		"context": "..",
+		// Update 'VARIANT' to pick a Python version: 3, 3.6, 3.7, 3.8 
+		"args": { "VARIANT": "3" }
 	},
 
 	// Set *default* container specific settings.json values on container create.