Tag Archives for " docker "

Robust automatic retries in Celery tasks

Published October 22, 2018 in programming - 0 Comments

The Celery distributed task queue introduced retrying a failed task automatically for known exception types in version 4.0, and some very useful retry exponential backoff settings in version 4.2. Exponential backoff is beneficial because it spaces out retry requests in exponentially increasing intervals which can allow time to recover or restart. I turned off jitter […]

Tags: celery , docker , python

Docker Compose for integration testing

Published June 17, 2018 in devops - 0 Comments

For integration tests with few external dependencies that don’t require much orchestration beyond networking Docker containers and setting up environment variables, Docker Compose is a simple and easy to manage solution for building, running and tearing down tests. This Flask application example is typical. The project’s multistage Dockerfile defines both the service and test images: […]

Tags: ci , docker

Why do I use containers?

Published May 2, 2018 in devops - 0 Comments

Here are my best reasons for using container solutions like Docker: 1. Simplify the deployment process! I used to struggle with software deployments. Traditional software package installers work fine for simple deployments on a single platform type, but require maintenance if deployment guidelines change between OS verisons. Deployment tools that need to target multiple platforms […]

Tags: docker , python