Push Database to Heroku using Dropbox

One question I’m often asked is how to get started quickly in production with the data populated during development. Putting aside the fact that this is generally a bad idea. I’d like to discuss a few options and show you how I moved my 118GB postgres database to heroku.

One really great option, if you’ve got a reasonable amount of data, is to use the seed_dump gem. Filling out Seed files is often a pain. Especially if you’ve got a ton of complex data. That said, it’s extremely valuable when you have some predefined datasets that must be in the database before getting started. seed_dump is a tool that will export your current database into ruby statements that can be used in your seed.rb file. It works like this:

Add to Gemfile

# Gemfile
gem 'seed_dump'

Run this to get the output

rake db:seed:dump

Another option when using postgres is to use heroku’s import/export tools. In the documentation you’ll see that heroku recommends using AWS to store your database file. AWS is a good option especially for Heroku as they live in the same ecosystem. The easiest way for me to get my locally exported postgres database into heroku was actually via Dropbox. I simply put the compressed export into a Dropbox folder, copy the public link and use that as the basis for restoring.

Here are the steps you’ll need.

The -Fc flag here will compress the dump so that you aren’t given plaintext SQL statement output.

pg_dump -Fc --no-acl --no-owner -h localhost mydb > mydb.dump
mv mydb.dump ~/Dropbox/backups/

Wait a few hours for the file (~8GB in my case) to upload to Dropbox.

Once the file has been uploaded to Dropbox, you can right click and select share. The following dialog will contain a public link to the file.

IMPORTANT: The link shown has a query string of `?dl=0` change this to `?dl=1`

heroku pg:backups restore 'https://www.dropbox.com/s/somehash/mydb.dump?dl=1' DATABASE_URL

Hopefully this helps someone out there! 🙂

Push Database to Heroku using Dropbox

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