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Local development setup with MySQL and the Grapher admin

This page describes how to set up a MySQL database loaded with example charts so you can use the Admin UI to visually create and edit charts.

admin-ui

Prerequisites

This option uses make to spin up all the services with a single command, but it requires a few utilities to be installed:

If you're using Windows, we recommend you use the Windows Subsystem for Linux, where you'll require some additional utilities. Please also make sure to check out the before you start on windows guide. To install the additional tools, run the following in a WSL terminal:

apt install -y build-essential finger

Optional prequisites

If you want to work with the explorer admin then you need to clone the "owid-content" folder as a sibling to the owid-grapher. Note that this is not required just to create or edit single charts which is normally sufficient for development of new features or bug fixes.

git clone https://github.com/owid/owid-content

Starting our development environment

Make a copy of .env.example-grapher for the server to configure itself with.

cp .env.example-grapher .env

Then run:

make up

This should fire up a tmux console with 4 tabs:

  1. A tab that gives a brief overview of how to use this tmux setup
  2. A tab that outputs the Docker compose container logs
  3. A tab that shows the result of the TypeScript watch compiler process
  4. A tab that shows the output of the vite and admin server watch processes

The first time you run this it will take a while to download and set up the database (10-20 minutes is expected). Switch to the database tab and wait until you see this message:

✅ All done, grapher DB is loaded ✅

Terminal screenshot of the running system

Now you can open http://localhost:3030/admin/charts and start creating charts. Any changes to the TypeScript code you make will be automatically compiled, but you will have to refresh your page to see the changes.

Inspecting the databases

For all operating systems, we recommend using DBeaver.

The MySQL server is exposed on port 3307 as opposed to port 3306 to avoid port conflicts with any local SQL clients you may have running.

Use this connection configuration:

key value
host localhost
port 3307
username root
password weeniest-stretch-contaminate-gnarl

(The root development password is set in this docker-compose file)

We also have a schema diagram for reference.

Resetting your environment

If you've modified or broken your database and want to start over from scratch, you'll need to clear the docker volumes that the database persists on.

To do so, get their names

docker volume ls

and remove them with

docker volume rm volume_name

The names of the volumes should usually be something like owid-grapher_mysql_data and owid-grapher_mysql_data_public.

You can also remove your local copies of the database exports if you want to download the latest version. Skip this step if you want your database to be exactly the same as it was on your last setup.

rm tmp-downloads/*

With that done, the next time you run make up, the database files will be re-downloaded.

A new database will then be created (expect another 10-20 minutes.)

Troubleshooting

  • For MacOS users: Ensure the Docker Desktop is installed and running. If you encounter the error Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running? then it's most likely that Docker is not running and you need to start (or restart) it
  • If you are blocked by a Docker session that won't delete then restart the machine, don't forget to start Docker for Desktop too.
  • If you see error getting credentials - err: exec: "docker-credential-desktop": executable file not found in $PATH, out: '' see this forum answer - vim ~/.docker/config.json then change credsStore into credStore.