basic ping route

docker-compose.yml

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+version: '3.7'
+
+services:
+  api:
+    build: ./services/api
+    command: uvicorn app.main:app --reload --workers 1 --host 0.0.0.0 --port 8000
+    volumes:
+      - ./services/api/:/opt/fast_api/
+    ports:
+      - 8002:8000

services/api/Dockerfile

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+# pull official base image
+FROM python:3.8.1-alpine
+
+# set work directory
+WORKDIR /opt/fast_api
+
+# set environment variables
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
+
+# copy requirements file
+COPY ./requirements.txt /opt/fast_api/requirements.txt
+
+# install dependencies
+RUN set -eux \
+    && apk add --no-cache --virtual .build-deps build-base \
+        libressl-dev libffi-dev gcc musl-dev python3-dev postgresql-dev \
+    && pip install --upgrade pip setuptools wheel \
+    && pip install -r /opt/fast_api/requirements.txt \
+    && rm -rf /root/.cache/pip
+
+# copy project
+COPY . /opt/fast_api/

services/api/app/main.py

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+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get('/ping')
+def pong():
+    return {"ping": "pong!"}