Deploy and troubleshoot Flask app on Google App Engine

📅 2024-02-19 — Session: Deploy and troubleshoot Flask app on Google App Engine

🕒 00:10–01:15
🏷️ Labels: Google App Engine, Flask, Deployment, Troubleshooting, Cloud Computing
📂 Project: Dev
⭐ Priority: MEDIUM

Session Goal

The session aimed to deploy a Flask application on Google App Engine, utilizing both standard and flexible environments, and to troubleshoot deployment issues.

Key Activities

• Deployed applications to Google App Engine with and without Docker, detailing configurations for app.yaml and Dockerfile.
• Followed a guide to deploy Flask applications, including pre-deployment checks and testing with a friend’s user.
• Integrated Google Cloud Secret Manager for managing sensitive information, correcting YAML syntax errors.
• Shared the deployed application URL for external testing.
• Troubleshot access issues post-deployment, including 503 HTTP status codes and application access problems.
• Updated requirements.txt to resolve gunicorn server issues.
• Debugged 502 gateway errors related to gunicorn and resolved deployment errors involving missing dependencies and file system misconfigurations.

Achievements

• Successfully deployed a Flask application to Google App Engine.
• Resolved multiple deployment issues, including 503 and 502 errors.
• Ensured proper integration with Google Cloud Secret Manager.

Pending Tasks

• Monitor the application for any further deployment issues.
• Conduct additional testing to ensure stability and performance.
• Review and optimize requirements.txt for potential improvements.