Questions
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1You need to deploy a Node.js application that uses a MongoDB database and a Redis cache. How would you set this up using Docker Compose?
2What's the difference between Docker Compose and Docker Swarm?
3How do you manage sensitive data like passwords and API keys?
4What problem does Docker Compose solve?
5How do you handle environment-specific configurations (dev, staging, production)?
6How do you scale a service using Docker Compose?
7What are the top-level sections in a docker-compose.yml file, and what does each do? (Demonstrates familiarity with the file's structure.)
8Write a docker-compose.yml file to set up a local development environment for a full-stack application (e.g., a React frontend, a Node.js/Express API, and a PostgreSQL database).
9How would you manage dependencies between services to ensure correct startup order?
10What's the difference between depends_on and links?
11How do you handle persistent storage for databases?
