use pip in dockerfile

dockerfiles/Dockerfile

@@ -7,59 +7,24 @@ RUN apt-get update -qq \
  wget \
  unzip \
  git \
+ python3 \
+ python3-pip \
+ python3-venv \
  ca-certificates
 
-RUN wget --no-check-certificate https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh && \
- bash Miniconda3-latest-Linux-x86_64.sh -b -p /opt/conda && \
- rm Miniconda3-latest-Linux-*.sh
-
-RUN . /opt/conda/bin/activate && \
- conda create -n $__CONDA_ENV__ python=3.11 && \
- conda activate $__CONDA_ENV__ && \
- conda install -y configurable-http-proxy==4.6.0
+RUN python3 -m venv /opt/jhub-env
 
-RUN . /opt/conda/bin/activate && \
- conda activate $__CONDA_ENV__ && \
+RUN . /opt/jhub-env/bin/activate && \
  pip install --no-cache jupyterhub==4.1.6 pyfirecrest==2.1.0 SQLAlchemy==1.4.52 oauthenticator==16.3.1 python-hostlist==1.23.0
 
 COPY . firecrestspawner
-RUN . /opt/conda/bin/activate && \
- conda activate $__CONDA_ENV__ && \
+
+RUN . /opt/jhub-env/bin/activate && \
  cd firecrestspawner && \
  pip install --no-cache . && \
  cd .. && \
  rm -r firecrestspawner
 
-# RUN rm -r /opt/conda/envs/${__CONDA_ENV__}/share/jupyterhub/*
-# 
-# COPY cscs-jhub-style/templates_cscs /opt/conda/envs/${__CONDA_ENV__}/share/jupyterhub/templates
-# 
-# COPY cscs-jhub-style/static /opt/conda/envs/${__CONDA_ENV__}/share/jupyterhub/static
-
-# RUN cd /opt/conda/envs/${__CONDA_ENV__}/share/jupyterhub/static && \
-# mkdir components && \
-# cd components && \
-# wget https://github.com/twbs/bootstrap/archive/v3.4.1.zip && \
-# unzip v3.4.1.zip && \
-# mv bootstrap-3.4.1 bootstrap && \
-# wget https://github.com/istvan-ujjmeszaros/bootstrap-touchspin/archive/refs/tags/4.2.5.tar.gz && \
-# tar -xvf 4.2.5.tar.gz && \
-# mv bootstrap-touchspin-4.2.5 bootstrap-touchspin-master && \
-# wget https://use.fontawesome.com/releases/v5.15.4/fontawesome-free-5.15.4-web.zip && \
-# unzip fontawesome-free-5.15.4-web.zip && \
-# mv fontawesome-free-5.15.4-web font-awesome && \
-# wget https://github.com/drgullin/icheck/archive/refs/tags/1.0.2.tar.gz && \
-# tar -xvf 1.0.2.tar.gz && \
-# mv icheck-1.0.2 icheck-2 && \
-# wget https://github.com/jquery/jquery/archive/refs/tags/3.6.0.tar.gz && \
-# tar -xvf 3.6.0.tar.gz && \
-# mv jquery-3.6.0 jquery && \
-# wget https://github.com/select2/select2/archive/refs/tags/4.0.11.tar.gz && \
-# tar -xvf 4.0.11.tar.gz && \
-# mv select2-4.0.11/ select2 && \
-# git clone https://github.com/moment/moment.git -b 2.29.1 && \
-# git clone https://github.com/requirejs/requirejs.git -b 2.3.6
-
 EXPOSE 8000
 
 RUN useradd -ms /bin/bash juhu
@@ -68,4 +33,4 @@ USER juhu
 
 WORKDIR /home/juhu
 
-CMD . /opt/conda/bin/activate && conda activate ${__CONDA_ENV__} && jupyterhub
+CMD jupyterhub