MongoDB

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Overview

• Self-hosted MongoDB
• MongoDB Atlas
• Amazon DocumentDB

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Connection Details

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Connection String Format

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Standard Format

mongodb://username:password@host:port/database

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MongoDB Atlas (SRV)

mongodb+srv://username:password@cluster.mongodb.net/database

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MongoDB Atlas Setup

1. Go to your MongoDB Atlas cluster
2. Click Connect
3. Select Connect your application
4. Copy the connection string
5. Replace <password> with your password

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Network Access

1. Go to Network Access
2. Click Add IP Address
3. Add Plumi’s IP or allow access from anywhere (for testing only)

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Querying MongoDB

-- Find documents
SELECT * FROM users WHERE age > 21 LIMIT 10;

-- Aggregation
SELECT city, COUNT(*) as count
FROM users
GROUP BY city
ORDER BY count DESC;

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Supported Operations

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Best Practices

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Troubleshooting

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”Authentication failed”

• Verify username and password in the connection string
• Ensure the user exists in the correct database
• Check the authentication database (usually admin)

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“Connection timed out”

• Verify network connectivity to MongoDB
• Check Atlas IP access list includes Plumi’s IP
• Ensure the MongoDB instance is running