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README.md

Echo Service Examples

Examples of using Echo Service via Docker image and NPM package.

🐳 Docker Usage

Using Container

# Start container
npm run start:docker

# Stop container
npm run stop:docker

Using Docker Compose

# Start services
npm run start:docker-compose

# View logs
npm run logs:docker-compose

# Stop services
npm run stop:docker-compose

🎯 CLI Usage

Using the package as a command-line tool:

npm run start:cli

📦 Library Usage

Using the package as a library in your code:

npm run start:lib

🧪 Testing the Examples

Each example runs on a different port to avoid conflicts.

Docker Example (Port 3003)

curl http://localhost:3003/health
curl http://localhost:3003/echo

CLI Example (Port 3002)

curl http://localhost:3002/health
curl http://localhost:3002/echo

Library Example (Port 3001)

curl http://localhost:3001/health
curl http://localhost:3001/echo

⚠️ Troubleshooting

Port Already in Use

# Check what's using the port
lsof -i :<port_number>

# Kill the process
kill -9 <PID>

Docker on ARM-based machines (Apple Silicon, etc.)

docker pull --platform linux/amd64 junjiewu0/echo-service
docker run --platform linux/amd64 -p 3003:3000 junjiewu0/echo-service