Enterprise Multi-Agent AI Deployment: A Complete Observability & Troubleshooting Guide

# Enterprise Multi-Agent System Deployment and Observability: A Practical Guide > Complete Implementation and Troubleshooting Checklist with Docker Compose, FastAPI, Prometheus, Grafana, and Nginx. ## Executive Summary Changed metrics port to 9100; API service exclusively uses port 8000. Use Exporters for Redis and Postgres; corrected Prometheus scrape targets. Added new FastAPI endpoints (/chat, /tasks, /analysis, /health, /metrics). Task persistence to Postgres, with asynchronous background processing and real-time querying. Automated LLM provider selection (OpenAI/DeepSeek/Anthropic) with failure fallback. Unified UTF-8 handling for Windows/PowerShell; server uses application/json; charset=utf-8. Parameterized base images to use AWS Public ECR, resolving Docker Hub and apt access issues. …