KonstantinKlepikov / microservice_in_python

Geek Repo:Geek Repo

Github PK Tool:Github PK Tool

Demo project microservice in python with Kafka and Faust

Description

This is a demo project to represent a way to implement Python microservices with Kafka and Faust library.

Project structure

01_infrastructure

01_infrastructure - contains basic infrastructure described in docker-compose.yml file. Contains all infrastructure services such as:

  • Kafka
  • Zookeeper
  • Postgres
  • PgAdmin
  • Prometheus
  • Grafana

In .env file described all versions and ports required for the docker-compose.yml The grafana folder contains preconfigured dashboards and datasources required for this docker-compose.yml The prometheus folder contains preconfigured services to collect metrics by the prometheus service, required for this docker-compose.yml

02_demo_server

02_demo_server - contains demo server app and Dockerfile required to build it as docker image. The demo server produce random test data needed for demo.

03_data_requester

03_data_requester - contains data request microservice app and Dockerfile required to build it as docker image. The data requester service request data from demo server and send it to a Kafka.

04_data_processor

04_data_processor - contains data processor microservice app and Dockerfile required to build it as docker image. The data processor service read messages received from data requester via Kafka. Split data and upload to Kafka.

05_data_aggregator

05_data_aggregator - contains data aggregator microservice app and Dockerfile required to build it as docker image. The data aggregator service read messages received from data processor via Kafka. And calculate average value for last 10 responses.

06_db_loader

06_db_loader - contains db loader microservice app and Dockerfile required to build it as docker image. The db loader service read messages from data processor and data aggregator services and store this data to Postgres DB.

07_api_gateway

07_api_gateway - contains API gateway microservice app and Dockerfile required to build it as docker image. The api gateway service provide HTTP endpoints to request data from Postgres DB.

docker-compose.yml

docker-compose.yml - contains all services and infrastructure in one.

Requirements

  • Python 3.8+
  • Docker 20.10.8
  • Docker-compose 1.29.2

Python requirements

  • asyncio==3.4.3
  • aiohttp==3.7.4.post0
  • uvloop==0.15.3
  • fastapi==0.68.0
  • uvicorn[standard]==0.14.0
  • starlette==0.14.2
  • starlette-exporter==0.10.0
  • configloader==1.0.1
  • prometheus-client===0.11.0
  • PyYAML==5.4.1
  • asyncpg==0.23.0
  • SQLAlchemy==1.4.0
  • faust[rocksdb, fast, uvloop]==1.10.4

About


Languages

Language:Python 78.3%Language:Shell 15.4%Language:Dockerfile 6.4%