convert to fast api

.docker-compose/Dockerfile

@@ -9,7 +9,7 @@ RUN cd Cbc-2.9.8 && \
     ./configure && \
     make && \
     make install
-RUN python -m pip install -U Flask
+RUN python -m pip install fastapi[all]
 
 # Bundle app source
 COPY . /app
@@ -17,4 +17,4 @@ COPY . /app
 WORKDIR /app/app
 
 # CMD tail -f /dev/null
-CMD export FLASK_APP=main && flask run -p 80 --host=0.0.0.0
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80"]

Dockerfile

@@ -9,7 +9,8 @@ RUN cd Cbc-2.9.8 && \
     ./configure && \
     make && \
     make install
-RUN python -m pip install -U Flask
+RUN python -m pip install fastapi[all]
+
 
 # Bundle app source
 COPY . /app
@@ -17,4 +18,4 @@ COPY . /app
 WORKDIR /app/app
 
 # CMD tail -f /dev/null
-CMD export FLASK_APP=main && flask run -p 80 --host=0.0.0.0
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "80"]

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