app.py

from fastapi import FastAPI
import psycopg2
import json
from psycopg2 import sql
import pandas as pd
app = FastAPI()
@app.get("/")
async def root():
 return {"greeting":"Hello world"}

db_params = {
    'host': 'dpg-cnhir5fsc6pc73dvj380-a.oregon-postgres.render.com',
    'database': 'OpenAI',
    'user': 'anu',
    'password': '5omRLogf9Kdas3zoBFPCT9yrCGU4IbEX',
}
def parse_csv(df):
    res = df.to_json(orient="records")
    parsed = json.loads(res)
    return parsed
    
@app.get("/ProfileMatch") 
def ProfileMatchResults():
   dbQuery = "select * from profilematch"
   conn = psycopg2.connect(**db_params)   
   df = pd.read_sql_query(dbQuery, conn)
   return parse_csv(df)