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feat: add Dockerfile and docker-compose for dev env #15737

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@Varun5711
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🚀 Add Dockerfile and docker-compose for Jest Development

📄 Description

This PR introduces a Dockerfile (and optionally a docker-compose.yml) to enable contributors to run Jest in a consistent, containerized development environment.

⸻

✅ What’s Included
• Dockerfile
• Uses node:20 with Corepack to support yarn@4.9.2
• Installs dependencies using yarn install --immutable
• Runs yarn test as the default command
• Optional: docker-compose.yml
• Mounts the project directory for live development
• Uses a named volume for node_modules to avoid conflicts

⸻

💡 Motivation

Many contributors face setup issues due to:
• Yarn version mismatches
• Node.js version inconsistencies
• OS-specific environment differences

This Docker setup provides:
• A clean, reproducible dev environment
• Faster onboarding for new contributors
• Easier CI testing locally

⸻

🛠️ How to Use

With Docker only:

docker build -t jest-dev .
docker run --rm jest-dev

With Docker Compose:

docker compose up --build

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babel-jest

npm i https://pkg.pr.new/babel-jest@15737

babel-plugin-jest-hoist

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babel-preset-jest

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create-jest

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@jest/diff-sequences

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expect

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jest

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jest-changed-files

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jest-circus

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jest-cli

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jest-docblock

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jest-leak-detector

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jest-matcher-utils

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jest-message-util

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jest-mock

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jest-resolve

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jest-runtime

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pretty-format

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commit: bf4f4c9

@Varun5711 Varun5711 closed this Jul 12, 2025
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