Improved `fly launch` for AdonisJS

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AdonisJS was one of my very first NodeJS frameworks back in the day. Recently I took some time to add improved support to it on our fly launch process.

Here’s what you need to deploy an AdonisJS app with postgres:

  1. fly launch on your app folder and accept creating a new Postgres DB.
  2. Add this to your fly.toml
[deploy]
  release_command = "/app/docker-entrypoint.js node ace migration:run --force"
  1. fly deploy

That’s it!

A note on AdonisJS

For testing, I also used a default-generated project and turns out it failed npm run build by default because of a single warning so before deploying you’d want to check if your typescript project compiles.

Another possible source of headaches is env.ts. This will generate errors at runtime if there’s missing variables. We will already set the envs below for you but if you have some extra (say a custom environment variable) you’d want to check how to add [env] to your fly.toml or how to use secrets before you deploy.

APP_KEY
HOST
PORT
CACHE_VIEWS
SESSION_DRIVER
DRIVE_DISK
DB_CONNECTION
PG_HOST
PG_PORT
PG_USER
PG_PASSWORD
PG_DB_NAME

As for file uploads, if needed, you’d want to use an object storage in case you want your app to scale horizontally or if you’re fine with a single stance AdonisJS app, feel free to setup volumes on /app/tmp/uploads

See you next time!

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