main.py

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from typing import Dict, AnyStr, Any, List, Union

import sendMail as sm

app = FastAPI()

# TODO: adjust this for production as allowing all origins is not secure
# TODO: you could use your api gateway here as only allowed origin
origins = ["*"]
app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_credentials=True,  # allow cookies
    allow_methods=["*"],  # allow all methods
    allow_headers=["*"],  # allow all headers
)

JSONObject = Dict[AnyStr, Any]
JSONArray = List[Any]
JSONStructure = Union[JSONArray, JSONObject]


@app.get("/")
def read_root():
    return {"message": "Hello World!"}


@app.post("/contact")
def contact(message: JSONStructure = None):
    sm.send_mail(message)