Dockerfile

# Download base image Ubuntu 18.04
FROM ubuntu:18.04

# Variable arguments to populate labels
ARG USER=dexbot

# Set ENV variables
ENV LC_ALL C.UTF-8
ENV LANG C.UTF-8
ENV HOME_PATH /home/$USER
ENV SRC_PATH $HOME_PATH/source
ENV PATH $HOME_PATH/.local/bin:$PATH
ENV LOCAL_DATA $HOME_PATH/.local/share
ENV CONFIG_DATA $HOME_PATH/.config

RUN set -xe ;\
    apt-get update ;\
    # Prepare dependencies
    apt-get install -y --no-install-recommends iputils-ping gcc make libssl-dev python3-pip python3-dev python3-setuptools \
        python3-async whiptail git ;\
    apt-get clean ;\
    rm -rf /var/lib/apt/lists/*

RUN set -xe ;\
    # Create user and change workdir
    groupadd -r $USER ;\
    useradd -m -g $USER $USER ;\
    # Configure permissions (directories must be created with proper owner before VOLUME directive)
    mkdir -p $SRC_PATH $LOCAL_DATA $CONFIG_DATA ;\
    chown -R $USER:$USER $HOME_PATH

# Drop priveleges
USER $USER

WORKDIR $SRC_PATH

# Install dependencies in separate stage to speed up further builds
COPY requirements.txt $SRC_PATH/
RUN python3 -m pip install --user -r requirements.txt

# Copy project files
COPY dexbot $SRC_PATH/dexbot/
COPY *.py *.cfg Makefile README.md $SRC_PATH/

# Build the project
RUN set -xe ;\
    python3 setup.py build ;\
    python3 setup.py install --user

WORKDIR $HOME_PATH

VOLUME ["$LOCAL_DATA", "$CONFIG_DATA"]