Updated dev dockerfile

Dockerfile

@@ -1,26 +1,22 @@
 # syntax=docker/dockerfile:1
 
-FROM python:3.10.0-slim-bullseye 
+ARG VARIANT=3.10-bullseye
+FROM mcr.microsoft.com/vscode/devcontainers/python:${VARIANT}
 
-ENV VIRTUAL_ENV=/opt/venv
-RUN python3 -m venv $VIRTUAL_ENV
-ENV PATH="$VIRTUAL_ENV/bin:$PATH"
+ARG NODE_VERSION="16"
+RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
 
 # system dependencies
 ENV NODE_VERSION=16.8.0
 RUN apt update
 RUN apt install -y curl git gcc python3-dev
-RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash
-ENV NVM_DIR=/root/.nvm
-RUN . "$NVM_DIR/nvm.sh" && nvm install ${NODE_VERSION}
-RUN . "$NVM_DIR/nvm.sh" && nvm use v${NODE_VERSION}
-RUN . "$NVM_DIR/nvm.sh" && nvm alias default v${NODE_VERSION}
-ENV PATH="/root/.nvm/versions/node/v${NODE_VERSION}/bin/:${PATH}"
 
 # python dependencies
 COPY ./requirements.txt .
 COPY . .
 RUN pip install --upgrade pip setuptools wheel
-RUN pip install -r requirements.txt
+COPY requirements.txt /tmp/pip-tmp/
+RUN pip --disable-pip-version-check --no-cache-dir install -r /tmp/pip-tmp/requirements.txt \
+   && rm -rf /tmp/pip-tmp
 RUN pip install autopep8
 RUN npm i -g nodemon