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https://github.com/texmeijin/nextjs-supabase-test


https://github.com/texmeijin/nextjs-supabase-test

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# Todo example using Supabase

- Frontend:
- [Next.js](https://github.com/vercel/next.js) - a React framework for production.
- [Tailwind](https://tailwindcss.com/) for styling and layout.
- [Supabase.js](https://supabase.io/docs/library/getting-started) for user management and realtime data syncing.
- Backend:
- [app.supabase.io](https://app.supabase.io/): hosted Postgres database with restful API for usage with Supabase.js.

## Demo

- Live demo: https://supabase-nextjs-todo-list.vercel.app/

## Deploy with Vercel

The Vercel deployment will guide you through creating a Supabase account and project. After installation of the Supabase integration, all relevant environment variables will be set up so that the project is usable immediately after deployment 🚀

[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/git/external?repository-url=https%3A%2F%2Fgithub.com%2Fsupabase%2Fsupabase%2Ftree%2Fmaster%2Fexamples%2Fnextjs-todo-list&project-name=supabase-todo-list&repository-name=supabase-todo-list&demo-title=Todo%20list&demo-description=An%20example%20web%20app%20using%20Supabase%20and%20Next.js&demo-url=https%3A%2F%2Fsupabase-nextjs-todo-list.vercel.app&demo-image=https%3A%2F%2Fi.imgur.com%2FGJauPlN.png&integration-ids=oac_jUduyjQgOyzev1fjrW83NYOv&external-id=supabase-todo-list)

## Build from scratch

### 1. Create new project

Sign up to Supabase - [https://app.supabase.io](https://app.supabase.io) and create a new project. Wait for your database to start.

### 2. Run "Todo List" Quickstart

Once your database has started, run the "Todo List" quickstart.

### 3. Get the URL and Key

Go to the Project Settings (the cog icon), open the API tab, and find your API URL and `anon` key, you'll need these in the next step.

The `anon` key is your client-side API key. It allows "anonymous access" to your database, until the user has logged in. Once they have logged in, the keys will switch to the user's own login token. This enables row level security for your data. Read more about this [below](#postgres-row-level-security).

![image](https://user-images.githubusercontent.com/10214025/88916245-528c2680-d298-11ea-8a71-708f93e1ce4f.png)

**_NOTE_**: The `service_role` key has full access to your data, bypassing any security policies. These keys have to be kept secret and are meant to be used in server environments and never on a client or browser.

## Supabase details

### Postgres Row level security

This project uses very high-level Authorization using Postgres' Role Level Security.
When you start a Postgres database on Supabase, we populate it with an `auth` schema, and some helper functions.
When a user logs in, they are issued a JWT with the role `authenticated` and thier UUID.
We can use these details to provide fine-grained control over what each user can and cannot do.

This is a trimmed-down schema, with the policies:

```sql
create table todos (
id bigint generated by default as identity primary key,
user_id uuid references auth.users not null,
task text check (char_length(task) > 3),
is_complete boolean default false,
inserted_at timestamp with time zone default timezone('utc'::text, now()) not null
);

alter table todos enable row level security;

create policy "Individuals can create todos." on todos for
insert with check (auth.uid() = user_id);

create policy "Individuals can view their own todos. " on todos for
select using (auth.uid() = user_id);

create policy "Individuals can update their own todos." on todos for
update using (auth.uid() = user_id);

create policy "Individuals can delete their own todos." on todos for
delete using (auth.uid() = user_id);
```

## Authors

- [Supabase](https://supabase.io)

Supabase is open source. We'd love for you to follow along and get involved at https://github.com/supabase/supabase