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Prerequisites

Before you start, make sure you:

1

Retrieve database credentials

You will need an existing database to continue. If you don’t have one, create one.

Get the database URL:

turso db show --url <database-name>

Get the database authentication token:

turso db tokens create <database-name>

Assign credentials to the environment variables inside .env.

TURSO_DATABASE_URL=
TURSO_AUTH_TOKEN=
You will want to store these as environment variables.
2

Get application code

Fork and clone the following embedded replica project from GitHub locally:

My Expenses Tracker - (Elysia + Bun)

See the full source code

You can use Fly’s dockerfile generation package to create a Dockerfile for your own project.

3

Launch your application on Fly

Run the following command from your project root directory to launch your application on fly:

fly launch

Fly will give you the default configurations for your app which you are free to update.

Organization: Turso                         (fly launch defaults to the personal org)
Name:         embedded-replicas-with-nodejs (derived from your directory name)
Region:       Johannesburg, South Africa    (this is the fastest region for you)
App Machines: shared-cpu-1x, 1GB RAM        (most apps need about 1GB of RAM)
Postgres:     <none>                        (not requested)
Redis:        <none>                        (not requested)
Sentry:       false                         (not requested)

On completion, you’ll have Fly configuration file fly.toml added to your project.

4

Add Secrets to Fly

Add the database and other credentials needed in your application as Fly secrets:

fly secrets set TURSO_DATABASE_URL=libsql://[db-name]-[github-username].turso.io
fly secrets set TURSO_AUTH_TOKEN=...
fly secrets set LOCAL_DB=file:dbs/expenses.db
fly secrets set HOSTNAME=0.0.0.0
fly secrets set SECRET=...
fly secrets set PORT=3000
5

Deploy your fly application.

fly deploy

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