Project to demonstrate product API service

Pre-requisites

• Install sqlx-client

cargo install sqlx-cli

Setup

Create .env file in the project root. Define something like this:

POSTGRES_PASSWORD = "password"
DATABASE_URL=postgres://vs-academy-product-postgres:[email protected]/product

Start database container:

docker-compose -f docker-compose-db.yml up -d

Create Postgres database:

sqlx database create
sqlx migrate run

Execute the project

To execute project, using address 127.0.0.1:3000:

cargo run

To execute defining different address:

cargo run --addr 127.0.0.1:8080

To enable CORS:

cargo run --cors-allow-origin http://127.0.0.1:3000

Execute the container

Build the container image:

./scripts/build.sh

Run docker-compose:

docker-compose up -d

Future updates

Always when update the project (from git) should execute database modifications:

sqlx migrate run

Project guideline

Database

• Table in singular name
• Primary key should be named id and has type UUID
• All tables should have field created_at with type TIMESTAMP
• SQL statements should be uppercase
• Tables and fields name should be lowercase and inside double quotes
• Date/time fields should be TIMESTAMP, without time zone
• Date/time fields consider UTC time

Rest API

• Endpoint in plural name
• Operations:

list    GET    api/products
create  POST   api/products/:id
read    GET    api/products/:id
update  PATCH  api/products/:id
delete  DELETE api/products/:id

Maintenance

Changing database

• Execute sqlx migrate add <migration_name>
• Insert SQL statements in the .sql file
• Execute sqlx migrate run

Problem with route functions declaration

If you have some compiling problem defining function route it's possible declare this attribute on the function, to get better error:

#[debug_handler]