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cortexdeploy 0.20.0.dev0
Cortex makes it simple to deploy machine learning models in production.
Deploy
Deploy TensorFlow, PyTorch, ONNX, scikit-learn, and other models.
Define preprocessing and postprocessing steps in Python.
Configure APIs as realtime or batch.
Deploy multiple models per API.
Manage
Monitor API performance and track predictions.
Update APIs with no downtime.
Stream logs from APIs.
Perform A/B tests.
Scale
Test locally, scale on your AWS account.
Autoscale to handle production traffic.
Reduce cost with spot instances.
documentation • tutorial • examples • chat with us
Install the CLI
pip install cortex
You must have Docker installed to run Cortex locally or to create a cluster on AWS.
Deploy an example
# clone the Cortex repository
git clone -b master https://github.com/cortexlabs/cortex.git
Using the CLI
# deploy the model as a realtime api
cortex deploy cortex/examples/pytorch/text-generator/cortex.yaml
# view the status of the api
cortex get --watch
# stream logs from the api
cortex logs text-generator
# get the api's endpoint
cortex get text-generator
# generate text
curl <API endpoint> \
-X POST -H "Content-Type: application/json" \
-d '{"text": "machine learning is"}' \
# delete the api
cortex delete text-generator
In Python
import cortex
import requests
local_client = cortex.client("local")
# deploy the model as a realtime api and wait for it to become active
deployments = local_client.deploy("cortex/examples/pytorch/text-generator/cortex.yaml", wait=True)
# get the api's endpoint
url = deployments[0]["api"]["endpoint"]
# generate text
print(requests.post(url, json={"text": "machine learning is"}).text)
# delete the api
local_client.delete_api("text-generator")
Running at scale on AWS
Run the command below to create a cluster with basic configuration, or see cluster configuration to learn how you can customize your cluster with cluster.yaml.
See EC2 instances for an overview of several EC2 instance types. To use GPU nodes, you may need to subscribe to the EKS-optimized AMI with GPU Support and file an AWS support ticket to increase the limit for your desired instance type.
# create a Cortex cluster on your AWS account
cortex cluster up
# set the default CLI environment (optional)
cortex env default aws
You can now run the same commands shown above to deploy the text generator to AWS (if you didn't set the default CLI environment, add --env aws to the cortex commands).
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