Slim down Dockerfile

.gitignore

@@ -19,4 +19,5 @@ bin-release/
 
 venv
 .vscode
-__pycache__*
+.idea
+__pycache__*

Dockerfile

@@ -1,44 +1,14 @@
-FROM ubuntu:20.04
+FROM python:3.8
 LABEL maintainer="Robin Cole @robmarkcole"
 
 EXPOSE 8501
 
-WORKDIR /root
-SHELL ["/bin/bash", "-c"]
-RUN apt-get update
-RUN apt-get upgrade -y
-RUN apt-get install -y apt-utils
-RUN DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends tzdata
-RUN apt-get install -y build-essential git wget sudo pkg-config curl dbus cmake vim nano python3 python3-pip python3-setuptools libjemalloc-dev libboost-dev libboost-filesystem-dev libboost-system-dev libboost-regex-dev autoconf flex bison libssl-dev llvm-10
-RUN ln -s /usr/bin/python3 /usr/bin/python
-RUN ln -s /usr/bin/pip3 /usr/bin/pip
-RUN pip install --upgrade pip
-RUN pip install numpy==1.17.3 cython pygments==2.4.1
-RUN export ARROW_HOME=/usr/local/lib
-RUN export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
-
-WORKDIR /root
-RUN wget --no-check-certificate https://github.com/apache/arrow/archive/apache-arrow-3.0.0.tar.gz
-RUN tar -xvf apache-arrow-3.0.0.tar.gz
-RUN mkdir -p /root/arrow-apache-arrow-3.0.0/cpp/build
-WORKDIR /root/arrow-apache-arrow-3.0.0/cpp/build
-RUN cmake -DCMAKE_INSTALL_PREFIX=$ARROW_HOME -DCMAKE_INSTALL_LIBDIR=lib -DARROW_WITH_BZ2=ON -DARROW_WITH_ZLIB=ON -DARROW_WITH_ZSTD=ON -DARROW_WITH_LZ4=ON -DARROW_WITH_SNAPPY=ON -DARROW_PARQUET=ON -DARROW_PYTHON=ON -DARROW_BUILD_TESTS=OFF ..
-RUN make -j4
-RUN make install
-WORKDIR /root/arrow-apache-arrow-3.0.0/python
-RUN python setup.py build_ext --build-type=release --with-parquet
-RUN python setup.py install
+WORKDIR /app
 
-WORKDIR /root
-RUN rm -R *
 COPY requirements.txt .
 RUN pip install -r requirements.txt
-RUN apt-get remove -y build-essential wget pkg-config apt-utils cmake vim nano libjemalloc-dev libboost-dev libboost-filesystem-dev libboost-system-dev libboost-regex-dev autoconf flex bison libssl-dev
-RUN apt-get autoremove -y
 
-RUN mkdir -p /app
 COPY app /app
-WORKDIR /app
 
 ENTRYPOINT [ "streamlit", "run"]
 CMD ["deepstack-ui.py"]