Update examples (#2234)

(cherry picked from commit 2f3caa4)

Author: deliahu

docs/workloads/async/example.md

@@ -6,12 +6,16 @@
 # main.py
 
 from fastapi import FastAPI
+from pydantic import BaseModel
 
 app = FastAPI()
 
+class Data(BaseModel):
+    msg: str
+
 @app.post("/")
-def hello_world():
-    return {"msg": "hello world"}
+def handle_async(data: Data):
+    return data
 ```
 
 ### Create a `Dockerfile`
@@ -28,19 +32,19 @@ CMD uvicorn --host 0.0.0.0 --port 8080 main:app
 ### Build an image
 
 ```bash
-docker build . --tag hello-world
+docker build . -t hello-world
 ```
 
 ### Run a container locally
 
 ```bash
-docker run --port 8080:8080 hello-world
+docker run -p 8080:8080 hello-world
 ```
 
 ### Make a request
 
 ```bash
-curl --request POST --header "Content-Type: application/json" localhost:8080
+curl -X POST -H "Content-Type: application/json" -d '{"msg": "hello world"}' localhost:8080
 ```
 
 ### Login to ECR
@@ -101,7 +105,7 @@ cortex get hello-world
 ### Make a request
 
 ```bash
-curl --request POST --header "Content-Type: application/json" http://***.amazonaws.com/hello-world
+curl -X POST -H "Content-Type: application/json" -d '{"msg": "hello world"}' http://***.amazonaws.com/hello-world
 ```
 
 ### Get the response

docs/workloads/batch/example.md

@@ -25,6 +25,7 @@ def on_job_complete():
 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
@@ -33,19 +34,19 @@ CMD uvicorn --host 0.0.0.0 --port 8080 main:app
 ### Build an image
 
 ```bash
-docker build . --tag hello-world
+docker build . -t hello-world
 ```
 
 ### Run a container locally
 
 ```bash
-docker run --port 8080:8080 hello-world
+docker run -p 8080:8080 hello-world
 ```
 
 ### Make a request
 
 ```bash
-curl --request POST --header "Content-Type: application/json" --data '[1,2,3,4]' localhost:8080
+curl -X POST -H "Content-Type: application/json" -d '[1,2,3,4]' localhost:8080
 ```
 
 ### Login to ECR
@@ -101,7 +102,7 @@ cortex get hello-world
 ### Make a request
 
 ```bash
-curl --request POST --header "Content-Type: application/json" --data '{"workers": 2, "item_list": {"items": [1,2,3,4], "batch_size": 2}}' http://***.amazonaws.com/hello-world
+curl -X POST -H "Content-Type: application/json" -d '{"workers": 2, "item_list": {"items": [1,2,3,4], "batch_size": 2}}' http://***.amazonaws.com/hello-world
 ```
 
 ### View the logs

docs/workloads/realtime/example.md

@@ -6,12 +6,16 @@
 # main.py
 
 from fastapi import FastAPI
+from pydantic import BaseModel
 
 app = FastAPI()
 
-@app.get("/")
-def hello_world():
-    return {"msg": "hello world"}
+class Data(BaseModel):
+    msg: str
+
+@app.post("/")
+def handle_post(data: Data):
+    return data
 ```
 
 ### Create a `Dockerfile`
@@ -20,6 +24,7 @@ def hello_world():
 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
@@ -28,19 +33,19 @@ CMD uvicorn --host 0.0.0.0 --port 8080 main:app
 ### Build an image
 
 ```bash
-docker build . --tag hello-world
+docker build . -t hello-world
 ```
 
 ### Run a container locally
 
 ```bash
-docker run --port 8080:8080 hello-world
+docker run -p 8080:8080 hello-world
 ```
 
 ### Make a request
 
 ```bash
-curl --request POST localhost:8080
+curl -X POST -H "Content-Type: application/json" -d '{"msg": "hello world"}' localhost:8080
 ```
 
 ### Login to ECR
@@ -101,5 +106,5 @@ cortex get hello-world
 ### Make a request
 
 ```bash
-curl --request POST http://***.amazonaws.com/hello-world
+curl -X POST -H "Content-Type: application/json" -d '{"msg": "hello world"}' http://***.amazonaws.com/hello-world
 ```

docs/workloads/task/example.md

@@ -21,7 +21,7 @@ CMD exec python main.py
 ### Build an image
 
 ```bash
-docker build . --tag hello-world
+docker build . -t hello-world
 ```
 
 ### Run a container locally
@@ -83,7 +83,7 @@ cortex get hello-world
 ### Make a request
 
 ```bash
-curl --request POST --header "Content-Type: application/json" --data '{}' http://***.amazonaws.com/hello-world
+curl -X POST -H "Content-Type: application/json" -d '{}' http://***.amazonaws.com/hello-world
 ```
 
 ### View the logs