To integrate AWS services like AWS Lambda, AWS API Gateway, and AWS MongoDB with a Flask app, you’ll need to follow a few steps:
- Set up your Flask app: Start by creating a Flask application. You can use Flask extensions like Flask-PyMongo to connect to MongoDB.
- Set up MongoDB on AWS: You can use MongoDB Atlas, a fully managed cloud database service provided by MongoDB. Atlas offers a free tier and integrates seamlessly with AWS.
- Create an AWS Lambda function: You can write the code for your Flask application as an AWS Lambda function. This function will handle HTTP requests.
- Set up AWS API Gateway: Create an API in AWS API Gateway to trigger your Lambda function. This API will expose endpoints that you can use to interact with your Flask app.
- Connect Flask app with AWS services: Modify your Flask app to use AWS SDKs (such as Boto3 for Python) to interact with AWS services like S3, DynamoDB, or others as needed.
Here’s a basic outline of how to integrate Flask with AWS services:
from flask import Flask, request, jsonify
from pymongo import MongoClient
app = Flask(__name__)
# Connect to MongoDB
client = MongoClient('<mongodb_connection_string>')
db = client['<your_database_name>']
collection = db['<your_collection_name>']
@app.route('/insert', methods=['POST'])
def insert_data():
data = request.json
# Insert data into MongoDB
result = collection.insert_one(data)
return jsonify({'inserted_id': str(result.inserted_id)})
@app.route('/update', methods=['PUT'])
def update_data():
query = request.json.get('query')
new_values = request.json.get('new_values')
# Update data in MongoDB
result = collection.update_one(query, {'$set': new_values})
return jsonify({'modified_count': result.modified_count})
# Add more routes for other CRUD operations
if __name__ == '__main__':
app.run(debug=True)
Remember to replace <mongodb_connection_string>
, <your_database_name>
, and <your_collection_name>
with your actual MongoDB connection string, database name, and collection name respectively.
For AWS integration, you would need to create AWS Lambda functions that handle these endpoints and connect them through API Gateway. You can use AWS SDKs in your Lambda functions to interact with other AWS services.
Make sure to handle AWS credentials securely, either by using IAM roles for AWS services or by configuring credentials securely in your environment.