FastAPI + Docker + AWS EC2 Deployment Guide

Prerequisites (Local)

1. Create a Dockerfile

Create a Dockerfile in your project root:

FROM python:3.12-slim WORKDIR /app COPY requirements.txt . RUN pip install -r requirements.txt COPY . . CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

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If your project structure follows app/main.py , set the entry point as app.main:app

2. Push to GitHub

git add Dockerfile git commit -m "Add Dockerfile" git push origin main

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AWS EC2 Setup

⚠️ We were using a provided AWS account, so the EC2 setup process is slightly different from the standard approach. Follow the steps below carefully.

3. Create a Security Group First

EC2 Console → Left menu Security Groups → Create security group

Enter name and description

Select VPC → Click Create

Wait 5–10 seconds (for automatic tag attachment)

4.…