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https://github.com/dandoh/web-haskell-graphql-postgres-boilerplate

Modern webserver in Haskell: Graphql + Postgresql + Authentication + DB migration + Dotenv and more
https://github.com/dandoh/web-haskell-graphql-postgres-boilerplate

database dbmate graphql graphql-api graphql-server haskell jwt jwt-authentication migration morpheus opaleye postgresql scotty stack stack-haskell typesafe web webserver webserver-setup

Last synced: 25 days ago
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Modern webserver in Haskell: Graphql + Postgresql + Authentication + DB migration + Dotenv and more

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# Modern Haskell Webserver Boilerplate
- Graphql API
- morpheus-graphql (https://github.com/morpheusgraphql/morpheus-graphql)
- Schema is in `schema.graphql`
```graphql
type User {
id: Int!
email: String!
name: String!
updatedAt: String!
createdAt: String!
}

type Session {
token: String!
user: User!
}

type Query {
login(email: String!, password: String!): Session!
myUserInfo: User!
}

type Mutation {
register(email: String!, password: String!, name: String!): Session!
changePassword(oldPassword: String!, newPassword: String!): Boolean!
}
```
- Database:
- Postgresql + Opaleye
- Migration using `dbmate` (https://github.com/amacneil/dbmate)
- Pooling using `Data.Pool`

This boilerplate wires up:
- Reading .env using `envy`
- Database
- Graphql API
- Authorization using JWT
- Monad transformers

## Running
- Feed in you database & secret in `.env`:
```terminal
$ cp .env.default .env
```
```env
DATABASE_URL="postgres://Dandoh:[email protected]:5432/webhaskell?sslmode=disable"
JWT_SECRET="my_jwt_secret"
```
- Migrations
```terminal
$ dbmate up
```
- More uses refer https://github.com/amacneil/dbmate
- Run webserver
```terminal
$ stack run
```

Now GraphQL API is at [http://localhost:8080/api](http://localhost:8080/api)

You can also access Graphql Playground at [http://localhost:8080/graphiql](http://localhost:8080/graphiql)

![Playground](images/playground.png)

## Running on Docker
- Feed in you database & secret in `.env`:
```terminal
$ cp .env.default .env
```
- (Optional) Edit anything you need in the .env file

- Create and start docker containers
```terminal
$ docker-compose up
```

- Now you can visit: http://localhost:8080/ in your local machine.

- Migrations will automatically run, and you can run them manually anytime using
```terminal
$ docker-compose up dbmate
```
- Stack will restart whenever you change any .hs file, thanks to [entr](http://eradman.com/entrproject/)

## Contributors

PR are more than welcome. The only note is we use `ormolu` to format codes.

- [Nhan Thai](https://github.com/dandoh)
- [Pacific01](https://github.com/Pacific01)
- [Emad Shaaban](https://github.com/emadshaaban92)