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What steps should be taken to include django-crontab within a docker container along with the user's Django project?

asked 2022-03-24 11:00:00 +0000

plato gravatar image

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answered 2021-07-21 18:00:00 +0000

qstack gravatar image

Here are the steps to include django-crontab within a Docker container along with the user's Django project:

  1. First, create a Dockerfile for the project.
  2. Add the necessary dependencies in the Dockerfile by installing them using pip. This would include Django, crontab, and any other necessary library.
  3. Copy the Django project files into the Docker container by adding a COPY command in the Dockerfile.
  4. Create a folder for the crontab file and the cron script that will be executed by crontab.
  5. Add the crontab file and the cron script to the Docker container by adding COPY commands to the Dockerfile.
  6. Set environment variables to define the crontab schedule and the command to be executed.
  7. Update the container entrypoint to start the cron daemon and execute the command defined in the environment variable.

Here's an example Dockerfile:

FROM python:3.8

# Install dependencies
RUN pip install --upgrade pip
RUN pip install django django-crontab

# Copy the Django project files to the Docker container
COPY . /app
WORKDIR /app

# Copy the crontab file and the cron script to the Docker container
RUN mkdir /app/cron
COPY crontab /app/cron
COPY cron_script.sh /app/cron

# Set environment variables for crontab
ENV CRON_SCHEDULE="*/5 * * * *" \
    CRON_COMMAND="/app/cron/cron_script.sh"

# Start cron daemon and execute command
CMD cron && tail -f /var/log/cron.log

This Dockerfile installs Django and django-crontab using pip, copies the Django project files to the container, creates a folder for the crontab file and cron script, copies the files to the container, sets the environment variables for crontab, and starts the cron daemon and tail the cron log to keep the container running.

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Asked: 2022-03-24 11:00:00 +0000

Seen: 7 times

Last updated: Jul 21 '21