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fastapi-mcp-todo

by egafossojm
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Python
Hybrid

Cloud deployment guides

Deploy this FastAPI Todo API + MCP server (/mcp) from GitHub.

Guide

Platform

Default storage

Scale-out option

Render

Render Web Service

SQLite (1 instance)

Render Postgres

AWS App Runner

App Runner

SQLite (1 instance)

RDS / Aurora Postgres

AWS ECS Fargate

ECS on Fargate

SQLite (1 task)

RDS / Aurora Postgres

Shared project files

File

Used by

../Dockerfile

App Runner, ECS (and optional Render Docker runtime)

../render.yaml

Render Blueprint

../requirements.txt

All platforms

../main.py

Application + MCP mount

Related MCP server: MCP Todo List

Important

While using local SQLite (todos.db):

  • Keep one compute unit only (1 Render instance / 1 App Runner instance / 1 ECS task).

  • Expect data loss on redeploy unless you attach durable storage (Render disk) or migrate to Postgres.

  • /mcp is public unless you add authentication.

PYTHONUNBUFFERED=1

The project Dockerfile sets:

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

Variable

Purpose

PYTHONUNBUFFERED=1

Disables stdout/stderr buffering so uvicorn and app logs appear immediately in Render / CloudWatch / App Runner logs (same idea as python -u).

PYTHONDONTWRITEBYTECODE=1

Skips writing .pyc files in the container (cleaner, slightly less disk I/O).

PIP_NO_CACHE_DIR=1

Avoids keeping pip’s download cache in the image layers.

For non-Docker Render Python deploys, set PYTHONUNBUFFERED=1 in the service Environment variables so platform logs stay real-time. Docker-based App Runner / ECS already inherit it from the image.

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Resources

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