gihrig / zero2prod

Zero To Production / Code (Chapter 5)

Zero To Production In Rust is an opinionated introduction to backend development using Rust.

This repository serves as supplementary material for the book: it hosts snapshots of the codebase of our email newsletter project at end of each chapter.

This branch is a snapshot of the project at the end of Chapter 5.

Pre-requisite

You'll need to install:

• Rust
• Docker
• DigitalOcean Doctl

Launch a (migrated) Postgres database via Docker:

./scripts/init_db.sh

How to build

cargo build

How to test

cargo test

How to run

cargo run

In separate terminal

curl -v http://127.0.0.1:8000/health_check
or
curl -v POST --data 'name=le%20guin&email=ursula_le_guin%40gmail.com' 127.0.0.1:8000/subscriptions

Build Docker container

docker build --tag zero2prod --file Dockerfile .

Run in Docker container

docker run -p 8000:8000 zero2prod

Show Docker image build size

docker images zero2prod

Create app at DigitalOcean

Connect doctl to DigitalOcean

doctl auth init

Link GitHub account to DigitalOcean

doctl apps create --spec spec.yaml

List apps on DigitalOcean

doctl apps list

Alternatively: DigitalOcean Dashboard

Update DO app

doctl apps update YOUR-APP-ID --spec=spec.yaml

DigitalOcean API

Working with doctl

doctl --help
doctl apps --help
doctl apps update --help

DigitalOcean API V2 docs

Get instance_sizes

curl -X GET -H "Content-Type: application/json" -H "Authorization: Bearer e7a53616474e591c80758a2d014928d40af916d182aff51683419fc8bb351fa5" "https://api.digitalocean.com/v2/apps/tiers/instance_sizes"