
Master Python microservices by exploring autonomous services, independent deployment, and decentralized data management, with practical Flask examples, API gateways, monitoring, Docker, Kubernetes, and CI/CD.
Explore the benefits and challenges of microservices in Python, including scalable, flexible architectures, fault isolation and resilience, while learning to manage deployment, data consistency, and network latency.
Explore building microservices with Python, compare frameworks like Fast API and Django, and examine asynchronous support, automatic API documentation, ORM features, and deployment considerations for scalable apps.
Install Python, verify the version, add Python to path, install and upgrade pip if needed, and create and activate a virtual environment to isolate dependencies.
Learn to set up two popular python development ides, vscode and pycharm, configure the python interpreter, enable linting and formatting, and create virtual environments for microservices development.
Master docker basics and containerization, including portable containers, docker images, and essential commands like docker run, docker pull, and docker build.
Learn to set up a local Kubernetes cluster with minikube and kubectl. Deploy and scale a hello world application while managing pods, services, and updates.
Install flask with pip, create a basic flask app, define routes with app.route, support dynamic url parameters, render HTML templates with render_template, and run python app.py.
Create a simple restful api with flask by setting up the project structure, defining an item resource with get, post, and delete, and storing items in memory to illustrate crud.
Learn to handle requests and structure responses in a Flask app by parsing query parameters, form data, and JSON, then send JSON replies with customizable status codes and headers.
Explore how Flask blueprints modularize a project into reusable components, define routes and error handling, and register them with the main app for scalable, maintainable code.
Master the basic setup and routing in FastAPI, including pip installation, uvicorn serving, routes with path and query parameters, pydantic models for request bodies, and automatic interactive API documentation.
Build a simple restful API with FastAPI, using SQLite with SQLAlchemy, define an item model and Pydantic schemas, implement create, read, update, delete operations, and explore Swagger docs.
Master the dependency injection pattern in FastAPI to promote loose coupling and testability, with basic and advanced examples, including mock testing and database lifecycle management.
Learn to validate and serialize data in FastAPI with Pydantic models, defining user schemas, wiring them to endpoints, and leveraging field validators and nested types.
Learn how http communication connects microservices using fast api and rest methods for interoperable json responses. Implement asynchronous httpx calls and handle errors, enabling robust, scalable microservices.
Explore gRPC in Python by defining a greeter service, generating code, and building a client and server with HTTP/2, Protobuf, and streaming support.
Explore advanced gRPC features in Python, including TLS encryption, token-based authentication via interceptors, client and server side load balancing, streaming types, robust error handling, and unary and stream interceptors.
Explore how Python-based message queues like RabbitMQ and Kafka enable asynchronous communication in microservices, covering producer-consumer patterns, routing, scalability, and real-time data processing.
Implement asynchronous communication with RabbitMQ and Kafka by configuring producers and consumers, durable queues and persistent messages, and applying pub/sub, work queue, and event sourcing patterns for scalable, fault-tolerant systems.
Compare SQL and NoSQL databases for python microservices, highlighting use cases, examples, and data models. Understand fixed vs flexible schemas, vertical vs horizontal scaling, and acid or base properties.
Assess data consistency, scalability, and performance to choose a database for your microservice, comparing relational options like Postgres or MySQL with NoSQL databases such as MongoDB or Cassandra.
Learn to integrate SQLAlchemy with Flask and FastAPI, perform CRUD operations, and manage per-request sessions in a SQLite database using Python microservices.
Learn to build Python microservices with Flask and MongoDB, perform CRUD operations, and design flexible schemas, from environment setup to running a Flask app connected to MongoDB.
Build scalable Python microservices with MongoDB using FastAPI, covering setup, crud operations, schema design, and a complete sample application.
Explore GraphQL in Python microservices, comparing it to REST, and set up a strawberry-based API. Create a simple schema with queries and mutations, test with the GraphQL playground.
Learn how service discovery in microservices with flask enables automatic service identification and communication. Compare client-side and server-side discovery using console as the service registry to register and discover services.
Explore Console and Eureka for service discovery in a microservices architecture, install and register a Flask service, and compare their dashboards, catalogs, and client-server workflows.
Explore configuration management in Flask microservices using environment variables and dot env, and learn to use configmap in Kubernetes and HashiCorp Vault for secure secrets.
Learn how to implement JWT authentication in Flask for secure, stateless microservices, using JSON Web Tokens with claims, signed tokens, and protected routes via HTTP headers.
Learn how to implement OAuth2 in Flask, set up the project structure and app factory, configure the provider, and protect routes with access tokens and common grant types.
Implement role based access control in a Flask microservice by defining admin and user roles, assigning permissions, and protecting routes with a role_required decorator.
Extend the database model to manage roles and permissions in a flask microservice, create and assign roles, update and delete permissions, and expose endpoints; test with Postman and Curl.
Implement advanced security for microservices by applying data encryption with Fernet, securing inter-service communication, enforcing security headers with Flask Talisman, and managing sensitive config via environment variables and HashiCorp Vault.
Manage roles and permissions to secure access control in your application. Add, update, and remove roles using a management interface or shell, then commit changes to the database.
Test your Python-based RBAC implementation by creating test data, roles, permissions, and users; write unit tests to verify admin and user access using OAuth2 tokens, with setup and teardown.
Discover the purpose and benefits of an api gateway in microservices architecture, including centralized api management, enhanced security, and improved performance through routing, authentication, throttling, and aggregation.
Configure nginx as a reverse-proxy API gateway for Python microservices, route 80 to 5000, then set up Kong with YAML, import config, and enable authentication, rate limiting, and logging.
Configure an API gateway for Python microservices using Nginx and Kong on Windows, including Nginx as a reverse proxy, Kong with Docker, and services, routes, and security plugins.
Explore load balancing to distribute traffic across servers in Python microservices, covering hardware, software, and cloud-based balancers, algorithms like round robin, least connections, IP hash, and nginx as reverse proxy.
Configure nginx as a reverse proxy and load balancer to distribute requests across multiple Python microservice instances on ports 5000, 5001, and 5002, using an upstream group and proxy_pass.
Learn to implement logging in Python microservices by comparing the built-in logging module and logo row, setting up a project structure, and applying best practices for monitoring and debugging.
Explore advanced logging configurations for Python microservices, including custom log formats, multiple handlers, and centralized log management with ELK stack, structured logging, and log rotation.
Learn to monitor Python microservices with Prometheus and Grafana, set up alerts, and visualize metrics in real time to ensure services run smoothly.
Mastering Python Microservices: Build and Scale Applications
Are you a developer or software engineer eager to dive into the world of microservices? This comprehensive course is tailored for you, focusing on leveraging Python to build scalable, maintainable, and efficient microservice-based applications. Microservices architecture has become the backbone of modern software development, enabling organizations to create complex, distributed systems that can be developed, deployed, and scaled independently. Throughout this course, you'll journey from understanding fundamental concepts to implementing advanced techniques and best practices in microservices development.
Course Overview and Objectives
We begin by outlining the course structure and objectives, setting clear expectations for what you'll achieve by the end. Gain a deep understanding of microservices architecture and how it contrasts with traditional monolithic approaches. Discover the benefits and challenges associated with microservices, and why organizations are increasingly adopting this architecture despite its complexities.
Course Sections
Introduction and Fundamentals
Grasp the basics of microservices architecture.
Compare microservices with monolithic systems.
Understand the flexibility, scalability, and challenges of microservices.
Setting Up the Environment
Install Python, pip, and virtual environments.
Configure your development environment with IDEs like VSCode or PyCharm.
Prepare your system for efficient microservices development.
Basics of Docker and containerization
Basics of Kubernetes for container orchestration
Building Microservices with Flask
Create simple microservices using Flask.
Learn about routing, RESTful APIs, and Flask Blueprints for modular code organization.
Building Microservices with FastAPI
Develop advanced microservices with FastAPI.
Explore dependency injection, data validation with Pydantic, and leveraging FastAPI’s performance benefits.
Interservice Communication
Implement effective communication between microservices using HTTP requests.
Dive into advanced techniques like gRPC and message queues (RabbitMQ, Kafka) for scalable communication.
Database Integration
Choose the right database for your microservices (SQL vs. NoSQL).
Integrate SQL databases with SQLAlchemy and work with NoSQL databases like MongoDB.
Perform CRUD operations, design schemas, and manage database migrations.
Service Discovery and Configuration
Utilize service discovery tools like Consul and Eureka for dynamic service location.
Manage configurations using environment variables, ConfigMap, and Vault.
Authentication and Authorization
Implement robust authentication and authorization mechanisms using JWT and OAuth2.
Apply Role-Based Access Control (RBAC) to manage user permissions securely.
API Gateway and Load Balancing
Set up an API Gateway with tools like Nginx or Kong.
Implement load balancing strategies to manage traffic and enhance performance.
Logging and Monitoring
Integrate logging solutions to track and debug microservices.
Set up monitoring tools to ensure the health and performance of your system.
Testing Microservices
Develop comprehensive testing strategies for microservices.
Utilize unit tests, integration tests, and end-to-end tests to ensure reliability.
Security Best Practices
Learn about common security threats in microservices architecture.
Implement best practices to safeguard your applications from vulnerabilities.
Advanced Microservices
Explore event-driven microservices, CQRS, and event sourcing.
Dive into serverless microservices using AWS Lambda for scalable solutions.
Custom Middleware in FastAPI
Create Custom Middleware
Enhancing Middleware
Logging Request and Response bodies
Implement Authentication Middleware
Handling CORS (CROSS-ORIGIN Resource Sharing)
Rate Limiting Middleware
Performance Optimization
Profile Python applications to identify bottlenecks.
Optimize resource usage and implement caching strategies with Redis.
Documentation and Versioning
Use OpenAPI/Swagger to generate comprehensive API documentation.
Implement effective API versioning strategies for seamless updates.
Resilience and Fault Tolerance
Build resilient microservices capable of handling failures gracefully.
Implement fault-tolerant designs to maintain system stability.
GIT Essential for Python Microservices
Setup GIT, Env, FastAPI and Uvicorn
GIT Configuration
Create Github Repository
GIT Workflow best practices
GIT Branching
Rebasing
Building a Serverless REST API with AWS
Introduction of Building a Serverless RESTAPI with AWS
Setting up AWS Cognito User Pool
Creating Lambda Functions
IAM and Lambda Permission
Configuring API Gateway
Integrating Cognito Authorizer
Create User and Setup AWS Cognito for Authentication
Download and Install AWS CLIV2
Set Password and Test the API
List of Python Microservices Projects
Project #1: Building and Scaling a Real-Time Data Processing Pipeline
Project #2: Building a Real-Time chat application with FASTAPI and Modern Web Technologies
Why This Course?
By the end of this course, you will have a thorough understanding of microservices architecture and the skills needed to build, deploy, and maintain Python-based microservices in a production environment. Whether you're a seasoned developer looking to expand your knowledge or a newcomer to microservices, this course equips you with the tools and techniques to succeed in the world of distributed systems.
Join us on this journey to master microservices with Python and take your software development skills to the next level!