convert to fast api

app/main.py

@@ -1,7 +1,22 @@
-from flask import Flask
+from fastapi import FastAPI, __version__
 
-app = Flask(__name__)
+app = FastAPI()
 
-@app.route("/")
-def hello_world():
-    return "<p>Hello, World?</p>"
+@app.get("/")
+async def root():
+  return {"message": "Welcome to Measures LOFT solver service. v0.1"}
+
+@app.get("/health")
+async def health():
+  content = {
+    "maintainer": "Meazure Horizon Team",
+    "git_repo": "https://github.com/yardstick/measure-solver",
+    "server": "OK",
+    "fastapi version": __version__,
+    "app version": "0.1.0"
+  }
+  return content
+
+@app.get('/ready')
+async def ready():
+  return 'OK'  # just means we're on air