Logbook: November 7 to November 14, 2022

Automatically deploy Elixir apps to production with Github Actions CI and troubleshoot performance issues with OpenTelemetry. Help the Python community draft Django docs. Deploy S3-compatible object storage close to your Fly apps. Last week we got im

Brad Gessler
2 min readintermediate
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Overview

This article covers the latest updates from Fly.io between November 7 and November 14, 2022, focusing on improvements for deploying Elixir apps using GitHub Actions, monitoring performance issues with OpenTelemetry, community contributions for Django documentation, and deploying S3-compatible object storage with MinIO.

What You'll Learn

1

How to automatically deploy Elixir apps to production using GitHub Actions CI

2

How to troubleshoot performance issues in Elixir apps using OpenTelemetry

3

How to contribute to community documentation for Django on Fly

4

When to deploy your own MinIO S3-compatible object storage to Fly

Prerequisites & Requirements

  • Basic understanding of Elixir and GitHub Actions
  • Familiarity with OpenTelemetry for monitoring(optional)
  • Understanding of Django framework for contributing to documentation(optional)

Key Questions Answered

How can I use GitHub Actions for Elixir CI?
GitHub Actions can be set up for Elixir CI by following the guide provided by Mark, which simplifies the deployment process for Elixir apps. This setup allows developers to automate the deployment of their applications to production without extensive manual intervention.
What is the N+1 query issue in Elixir and how can OpenTelemetry help?
The N+1 query issue occurs when an application makes multiple database queries instead of a single query, leading to performance degradation. OpenTelemetry can be used to monitor and identify these performance issues, allowing developers to optimize their queries effectively.
What are the benefits of deploying Django apps on Fly?
Deploying Django apps on Fly allows developers to leverage community-driven documentation and resources, making the deployment process smoother. The ongoing contributions from the Python community are enhancing the available guides, making it easier for developers to get started.
When should I deploy my own MinIO S3-compatible object storage?
Deploying your own MinIO S3-compatible object storage is beneficial when you need object storage located in the same data center as your application, especially when using an external S3 host like AWS S3 is not feasible.

Technologies & Tools

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Key Actionable Insights

1
Utilize GitHub Actions to automate your Elixir app deployments, which can significantly reduce manual errors and streamline your CI/CD process.
Automating deployments helps maintain consistency and reliability in production environments, allowing developers to focus on coding rather than deployment logistics.
2
Implement OpenTelemetry in your Elixir applications to gain insights into performance issues, particularly to identify and resolve N+1 query problems.
By monitoring application performance, developers can proactively address potential bottlenecks, ensuring a smoother user experience.
3
Contribute to the Django documentation on Fly to help improve resources for the community, which can enhance your own understanding and visibility in the developer community.
Community contributions not only help others but also establish your presence and expertise in the field, potentially leading to networking opportunities.
4
Consider deploying MinIO when you require S3-compatible storage close to your application for performance reasons.
Having object storage in proximity to your application can reduce latency and improve data retrieval times, which is crucial for performance-sensitive applications.

Common Pitfalls

1
Failing to monitor performance issues in production can lead to degraded user experiences and potential downtime.
Without proper monitoring tools like OpenTelemetry, developers may miss critical performance bottlenecks that could impact application reliability.

Related Concepts

Continuous Integration And Continuous Deployment (ci/Cd)
Performance Monitoring
Community Documentation Contributions
Object Storage Solutions