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fix: update developer guide

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Fredrik Oseberg 2022-10-04 16:04:21 +02:00
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website/docs/contributing/developer-guide.md
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@ -27,131 +27,3 @@ The following resources should be read before contributing to the project:
* [Clean code javascript](https://github.com/ryanmcdermott/clean-code-javascript)
* [frontend overview](./frontend/overview.md)
* [backend overview](./backend/overview.md)
### Recommended reading
*
## Requirements
Before developing on this project you will need two things:
- PostgreSQL 10.x or newer
- Node.js 14.x or newer
```sh
yarn install
yarn run start:dev
```
## PostgreSQL {#postgresql}
To run and develop unleash, you need to have PostgreSQL database (PostgreSQL v10.x or newer) locally.
> Unleash currently also work with PostgreSQL v9.5+, but this might change in a future feature release, and we have stopped running automatic integration tests below PostgreSQL v10.
### Create a local unleash databases in postgres {#create-a-local-unleash-databases-in-postgres}
```bash
$ psql postgres <<SQL
CREATE USER unleash_user WITH PASSWORD 'passord';
CREATE DATABASE unleash;
GRANT ALL PRIVILEGES ON DATABASE unleash to unleash_user;
CREATE DATABASE unleash_test;
GRANT ALL PRIVILEGES ON DATABASE unleash_test to unleash_user;
ALTER DATABASE unleash_test SET timezone TO 'UTC';
SQL
```
> Password is intentionally set to 'passord', which is the Norwegian word for password.
Then set env vars:
(Optional as unleash will assume these as default values).
```
export DATABASE_URL=postgres://unleash_user:passord@localhost:5432/unleash
export TEST_DATABASE_URL=postgres://unleash_user:passord@localhost:5432/unleash_test
```
## PostgreSQL with docker {#postgresql-with-docker}
If you don't want to install PostgreSQL locally, you can spin up an Docker instance. We have created a script to ease this process: `scripts/docker-postgres.sh`
## Start the application {#start-the-application}
In order to start the application you will need Node.js v14.x or newer installed locally.
```
// Install dependencies
yarn install
// Start server in development
yarn start:dev
// Unleash UI
http://localhost:4242
// API:
http://localhost:4242/api/
// Execute tests in all packages:
yarn test
```
## Database changes {#database-changes}
We use database migrations to track database changes.
### Making a schema change {#making-a-schema-change}
To run migrations, you will set the environment variable for DATABASE_URL
`export DATABASE_URL=postgres://unleash_user:passord@localhost:5432/unleash`
Use db-migrate to create new migrations file.
```bash
> yarn run db-migrate create YOUR-MIGRATION-NAME
```
All migrations require one `up` and one `down` method.
Example of a typical migration:
```js
/* eslint camelcase: "off" */
'use strict';
exports.up = function(db, cb) {
db.createTable(
'examples',
{
id: { type: 'int', primaryKey: true, notNull: true },
created_at: { type: 'timestamp', defaultValue: 'now()' },
},
cb,
);
};
exports.down = function(db, cb) {
return db.dropTable('examples', cb);
};
```
Test your migrations:
```bash
> yarn run db-migrate up
> yarn run db-migrate down
```
## Publishing / Releasing new packages {#publishing--releasing-new-packages}
Please run `yarn test` checks before publishing.
Run `npm run publish` to start the publishing process.
`npm run publish:dry`