Update Dockerfile, installing python3 and npm

FROM docker.io/codercom/code-server:latest

FROM docker.io/codercom/code-server:latest as base

RUN whoami

USER root

RUN apt-get update

RUN apt-get install -y \

    npm \

    python3 

RUN rm -rf /var/lib/apt/lists/*

FROM base as builder

RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"

RUN install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

FROM builder as prod

USER coder

RUN mkdir -p /home/coder/.config/code-server/

RUN echo "bind-addr: 127.0.0.1:8080\nauth: none\ncert: false" > /home/coder/.config/code-server/config.yaml