Example

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Example

Define an API
# main.py
​
from fastapi import FastAPI
from pydantic import BaseModel
​
app = FastAPI()
​
class Data(BaseModel):
    msg: str
​
@app.post("/")
def handle_post(data: Data):
    return data
Create a Dockerfile
FROM python:3.8-slim
​
RUN pip install --no-cache-dir fastapi uvicorn
​
COPY main.py /
​
CMD uvicorn --host 0.0.0.0 --port 8080 main:app
Build an image
docker build . -t hello-world
Run a container locally
docker run -p 8080:8080 hello-world
Make a request
curl -X POST -H "Content-Type: application/json" -d '{"msg": "hello world"}' localhost:8080
Login to ECR
aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin <AWS_ACCOUNT_ID>.dkr.ecr.us-east-1.amazonaws.com
Create a repository
aws ecr create-repository --repository-name hello-world
Tag the image
docker tag hello-world <AWS_ACCOUNT_ID>.dkr.ecr.us-east-1.amazonaws.com/hello-world
Push the image
docker push <AWS_ACCOUNT_ID>.dkr.ecr.us-east-1.amazonaws.com/hello-world
Configure a Cortex deployment
# cortex.yaml
​
- name: hello-world
  kind: RealtimeAPI
  pod:
    containers:
    - name: api
      image: <AWS_ACCOUNT_ID>.dkr.ecr.us-east-1.amazonaws.com/hello-world
Create a Cortex deployment
cortex deploy
Wait for the API to be ready
cortex get --watch
Get the API endpoint
cortex get hello-world
Make a request
curl -X POST -H "Content-Type: application/json" -d '{"msg": "hello world"}' http://***.amazonaws.com/hello-world

Workloads - Previous

Realtime

Configuration

Last modified 8mo ago

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Outline

Define an API

Create a Dockerfile

Build an image

Run a container locally

Make a request

Create a repository

Tag the image

Push the image

Configure a Cortex deployment

Create a Cortex deployment

Wait for the API to be ready

Get the API endpoint

Make a request