Finalized Jupyterlab for the sprint

Dockerfile

-FROM jupyter/scipy-notebook:hub-1.5.0
+FROM jupyter/datascience-notebook:hub-3.1.1
 
-# Install from APT repository
 USER root
-RUN apt-get update -y
-RUN apt-get install -y git libpq-dev gcc
 
-# Set working directory
-WORKDIR /usr/src/app
+COPY requirements.txt environment.yml /tmp/
+RUN conda env update -q -f /tmp/environment.yml && \
+    /opt/conda/bin/pip install -r /tmp/requirements.txt && \
+    conda clean -y --all && \
+    conda env export -n "root" && \
+    jupyter lab build 
 
-# Install basics
-USER jovyan
-RUN pip3 install --upgrade pip
-COPY .env .env
+COPY dash_proxy /tmp/dash_proxy/
+RUN pip install /tmp/dash_proxy/
 
-# Install python packages
-COPY requirements.txt requirements.txt
-RUN pip install --no-cache-dir -r requirements.txt
-ENV IPYTHONDIR /usr/src/app/ipython/
-WORKDIR /usr/src/app/ipython/profile_default/startup/
-COPY python_startup/ ./
-WORKDIR /home/
+COPY llm_utils /llm_utils/
+RUN pip install /llm_utils/
+ENV CONFIG_PATH=/home/jovyan/config.txt
 
+COPY app /dash/app/
+RUN chown -R jovyan /dash/app/
+
+# install some NLTK and spaCy data
+RUN python -m nltk.downloader stopwords
+RUN python -m nltk.downloader wordnet
+RUN python -m spacy download en_core_web_sm