21 questions for “Docker & Containerization for Node.js”

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1What is a Dockerfile, and what are the essential steps in a basic Dockerfile for a Node.js application? Node.js › Docker & Containerization for Node.jsNode.jsDocker & Containerization for Node.jsBeginner
2What is a multi-stage Docker build, and how does it produce a smaller final image for a Node.js application? Node.js › Docker & Containerization for Node.jsNode.jsDocker & Containerization for Node.jsIntermediate
3How do you use environment variables and Docker's --env-file (or docker-compose's environment section) to configure a containerized Node.js application per environment? Node.js › Docker & Containerization for Node.jsNode.jsDocker & Containerization for Node.jsIntermediate
4Why is it considered a security best practice to run a Node.js Docker container as a non-root user? Node.js › Docker & Containerization for Node.jsNode.jsDocker & Containerization for Node.jsAdvanced
5How does Docker Compose simplify running a Node.js application alongside its dependencies (like a database and Redis) during local development? Node.js › Docker & Containerization for Node.jsNode.jsDocker & Containerization for Node.jsAdvanced
6What is the Node.js LTS (Long-Term Support) release schedule, and why does it matter for choosing which version to run in production? Node.js › Node.js Fundamentals & Runtime ArchitectureNode.jsNode.js Fundamentals & Runtime ArchitectureIntermediate
7What is the purpose of a .dockerignore file when preparing a Node.js project for cloud deployment? Node.js › Cloud & DevOpsNode.jsCloud & DevOpsBeginner
8What is the os.cpus() function used for when setting up clustering in a Node.js application? Node.js › Clustering & Worker ThreadsNode.jsClustering & Worker ThreadsBeginner
9What is a twelve-factor app, and how does it guide how a Node.js application should be configured for cloud deployment? Node.js › Cloud & DevOpsNode.jsCloud & DevOpsIntermediate
10What is a container registry, and how does it fit into the deployment pipeline for a containerized Node.js application? Node.js › Cloud & DevOpsNode.jsCloud & DevOpsIntermediate
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