Dockerfile

FROM python:3.13.3-slim

# This copies everything in your current directory to the /app directory in the container.
COPY . /app

# This sets the /app directory as the working directory for any RUN, CMD, ENTRYPOINT, or COPY instructions that follow.
WORKDIR /app

# This runs pip install for all the packages listed in your requirements.txt file.
RUN pip3 install -r requirements.txt

# This tells Docker to listen on port 80 at runtime. Port 80 is the standard port for HTTP.
EXPOSE 8501

# This command creates a .streamlit directory in the home directory of the container.
RUN mkdir ~/.streamlit

# This copies your Streamlit configuration file into the .streamlit directory you just created.
RUN cp .streamlit/config.toml ~/.streamlit/config.toml

# This sets the default command for the container to run the app with Streamlit.
ENTRYPOINT ["streamlit", "run", "main.py", "--server.port=8501", "--server.address=0.0.0.0"]