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Fly.io Deployment

Automated CI/CD deployment to Fly.io. Push to master and your app deploys in ~2 minutes.

One-Time Setup

1. Create Fly.io Account

Sign up at https://fly.io and install the CLI:

# macOS
brew install flyctl

# Linux/WSL
curl -L https://fly.io/install.sh | sh

Login:

flyctl auth login

2. Create Your App

flyctl apps create your-app-name

3. Create Postgres Database

# Create database
flyctl postgres create --name your-app-name-db --region iad --initial-cluster-size 1 --vm-size shared-cpu-1x --volume-size 1

# Attach to your app (sets DATABASE_URL automatically)
flyctl postgres attach your-app-name-db -a your-app-name

4. Set Secrets

# Required secrets
flyctl secrets set -a your-app-name \
  SECRET_KEY="$(openssl rand -hex 32)" \
  SECURITY_PASSWORD_SALT="$(openssl rand -hex 32)" \
  SECURITY_TOTP_SECRETS="$(openssl rand -hex 32)"

# Fix database URL (Fly uses postgres://, SQLAlchemy needs postgresql://)
# Get the DATABASE_URL from: flyctl secrets list -a your-app-name
# Then set SQLALCHEMY_DATABASE_URI with postgresql:// prefix:
flyctl secrets set -a your-app-name \
  SQLALCHEMY_DATABASE_URI="postgresql://user:pass@your-app-name-db.flycast:5432/your-app-name?sslmode=disable"

5. Update fly.toml

Edit fly.toml and change the app name:

app = 'your-app-name'  # Change this

6. Add GitHub Secret

  1. Create deploy token:

    flyctl tokens create deploy -x 999h -a your-app-name

  2. Add to GitHub:

    • Go to your repo → Settings → Secrets and variables → Actions
    • New repository secret: FLY_API_TOKEN = (paste token)

7. Deploy

Go to Actions tab in your GitHub repo → "Deploy to Fly.io" → "Run workflow"

Your app will be live at: https://your-app-name.fly.dev

Optional: Auto-deploy on push

Edit .github/workflows/deploy-fly.yml and uncomment the push trigger:

on:
  workflow_dispatch:
  push:
    branches: [master]

Post-Deployment

Create Admin User

SSH into your app and create the admin:

flyctl ssh console -a your-app-name
python -c "from run import app; from enferno.commands import create_db, install; app.app_context().push(); create_db(); install()"

Or run interactively:

flyctl ssh console -a your-app-name -C "flask create-db && flask install"

Optional: Add Redis

For sessions and Celery background tasks:

flyctl redis create --name your-app-name-redis --region iad --no-replicas

Then set the Redis secrets:

flyctl secrets set -a your-app-name \
  REDIS_URL="redis://..." \
  CELERY_BROKER_URL="redis://..." \
  CELERY_RESULT_BACKEND="redis://..."

Troubleshooting

View Logs

flyctl logs -a your-app-name

SSH into Container

flyctl ssh console -a your-app-name

Check App Status

flyctl status -a your-app-name

Redeploy Manually

flyctl deploy -a your-app-name