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Prerequisites

Before you start, make sure you:
1

Locate your application

You should have an application ready using your Turso database that you want to deploy to Fly.
2

Launch with Fly

Using the Fly CLI, launch it:
fly launch
Your application will automatically deploy to Fly, but we’re not ready yet.
3

Create a shared volume

Now create a volume that will be used to store the embedded replica(s):
fly volumes create libsql_data
4

Mount and configure volumes

The files fly.toml and Dockerfile created created when you launched previously.Update fly.toml this file to mount the new volume:
[[mounts]]
source = "libsql_data"
destination = "/app/data"
Then inside Dockerfile, make sure you install and update ca-certificates:
RUN apt-get update -qq && \
    apt-get install -y ca-certificates && \
    update-ca-certificates
Make sure to also add the following line after any COPY commands to copy the certificates:
COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
5

Configure the libSQL client

You will want to change the url to point to a local file, and set the syncUrl to be your Turso database URL:
import { createClient } from "@libsql/client";

const client = createClient({
  url: "file:/app/data/local.db",
  syncUrl: process.env.TURSO_DATABASE_URL,
  authToken: process.env.TURSO_AUTH_TOKEN,
  syncInterval: 60,
});
6

Deploy your updated app

fly deploy