This is my current system architecture. It took a team of developers and SREs over 3 years to build and maintain this infrastructure.
It consist of multiple systems and microservices architecture to built a mesh network of hardware wand software.
The tech stack consist of :
Python, Django, Flask, OpenCV, React JS, MYSQL, Redis, MQTT PubSub, Debian 11, ROS, Windows Server 2019, Apache, Docker, Terraform, Jenkins, CI/CD, GCP, GMail, WordPress, PHP, C#, Arduino/ESP8266,
And it is ever growing into a cloud.