compose refactor and project dependencies bump

[grillazz]

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[Copilot]

Pull Request Overview

This PR refactors the Docker Compose configuration and updates project dependencies. The main purpose is to rename services for better clarity and bump various Python package versions to their latest releases.

• Renames Docker Compose services from generic names (app, db, inmemory) to more descriptive ones (api1, postgres, redis)
• Updates project version from 0.20.0 to 0.21.0 and bumps multiple package dependencies
• Adds error handling to the FastAPI lifespan function and documentation for high availability setup

Reviewed Changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
test-compose.yml	Updates service names to match main compose file changes
pyproject.toml	Bumps project version and updates package dependencies to newer versions
compose.yml	Refactors service names, container names, and removes network_mode and debug flags
app/main.py	Adds exception handling in the FastAPI lifespan function
README.md	Adds documentation for high availability setup with nginx load balancer
Makefile	Updates all Docker Compose commands to use new service names and improves documentation

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