Course 31 - Dive Into Docker | Episode 11: Framework Starters and Design Best Practices

About this episode

This episode covers best practices for using Docker with various frameworks and application design principles.

In this lesson, you’ll learn about: applying Docker to real-world apps and scalable architecture principles1. Framework-Based Starter Projects The episode provides 7 ready-to-use starter projects for popular frameworks: Flask Express (Node.js) .NET Django Ruby on Rails Golang Laravel Each project includes: Dockerfile docker-compose.yml 👉 Goal: get you running fast with real applications in Docker2. Logging to Standard Output (stdout)❌ Problem: Writing logs to files inside containers Logs are lost when the container stops or restarts ✅ Best Practice: Log everything to stdout print("App started") Benefits: Managed by Docker daemon Easy to: View → docker logs Rotate logs Send to monitoring systems 3. Environment-Based Configuration Use environment variables instead of hardcoding values Example:DB_HOST=redis APP_ENV=production Benefits: Switch between environments easily: Development Testing Production No need to change source code 4. Stateless Application Design ("Stupid Apps")❌ Bad Practice: Storing data inside the app container Example: Sessions in memory ✅ Best Practice: Keep apps stateless Store data in external services like: Redis (sessions, cache) Databases Why this matters…

Topics covered

• Docker
• Frameworks
• Best Practices
• Application Design
• Logging
• Environment Configuration
• 12-Factor App

Keywords

• Docker
• Frameworks
• Logging
• Environment Variables
• Stateless Applications
• 12-Factor App
• Scalable Architecture

Mentioned in this episode

Organizations: Docker, Redis

Books & works: Flask, Express, .NET, Django, Ruby on Rails, Golang, Laravel

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