Dockerfile

# Use the official Python image from the Docker Hub
FROM python:3.12-alpine

# Set the working directory in the container
WORKDIR /app

# Copy the requirements file into the container
COPY requirements.txt /app/

# Install the package dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Install supercronic
RUN apk add curl
# Latest releases available at https://github.com/aptible/supercronic/releases
ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.2.33/supercronic-linux-amd64 \
    SUPERCRONIC_SHA1SUM=71b0d58cc53f6bd72cf2f293e09e294b79c666d8 \
    SUPERCRONIC=supercronic-linux-amd64
RUN curl -fsSLO "$SUPERCRONIC_URL" \
 && echo "${SUPERCRONIC_SHA1SUM}  ${SUPERCRONIC}" | sha1sum -c - \
 && chmod +x "$SUPERCRONIC" \
 && mv "$SUPERCRONIC" "/usr/local/bin/${SUPERCRONIC}" \
 && ln -s "/usr/local/bin/${SUPERCRONIC}" /usr/local/bin/supercronic

# Copy the rest of the application code into the container
COPY . /app/

# Don't buffer log output to stdout
ENV PYTHONUNBUFFERED 1

# Entrypoint script
COPY entrypoint.sh /app/entrypoint.sh
RUN chmod +x /app/entrypoint.sh

# Expose the port that the Gunicorn server will run on
EXPOSE $PORT