Dockerfile.dev

# Dockerfile for testing locally
# discord bot(Docker Container) <-> Docker Desktop <-> discord server

# For local test before deploying image to AWS ECR(pushing to main branch and running github action), run this command
# First     ) docker build -f Dockerfile.dev -t discord-bot-dev-local:latest --build-arg DISCORD_BOT_TOKEN=<Your Bot token for Development> .
# Second    ) docker run discord-bot-dev-local
#       ... test on discord ...
# Finally   ) docker ps -q  --filter ancestor=discord-bot-dev-local:latest 
#           ) docker stop <id you got above>

FROM python:3.8-slim

# install git for installing dependencies via pip <repository>
RUN apt-get update && \
    apt-get upgrade -y && \
    apt-get install -y git

# add user (change to whatever you want)
# prevents running sudo commands
RUN useradd -r -s /bin/bash alex

# set current env
ENV HOME /app
WORKDIR /app
ENV PATH="/app/.local/bin:${PATH}"

RUN chown -R alex:alex /app
USER alex

# set Discord APP token argument
ARG DISCORD_BOT_TOKEN

# ENV discord argument
ENV DISCORD_BOT_TOKEN $DISCORD_BOT_TOKEN

# Avoid cache purge by adding requirements first
ADD ./requirements.txt ./requirements.txt

RUN pip install --upgrade pip --user
RUN pip install --no-cache-dir -r ./requirements.txt --user

# Add the rest of the files
COPY . /app
WORKDIR /app

# start discord bot
CMD ["python", "app.py"]