My adventures in Luca Palmieri's Zero To Production In Rust.
Make sure you have the following installed:
- OpenSSL
- Rust
- Docker (might need to follow up with
systemctl start docker) - psql command-line client
- sqlx-cli (instructions here)
- LLVM stuff (instructions here)
To start up the PostgreSQL and Redis databases in a detached Docker container:
./scripts/init_db.sh
./scripts/init_redis.sh
Once the databases are running, it's possible to build, run or test in the local environment with cargo build, cargo run or cargo test, respectively.
Once the database is running, it's also possible to statically prepare the binary's SQL queries. This repo already includes the result sqlx-data.json, but if necessary this can be generated using (might need to cargo clean first):
cargo sqlx prepare -- --bin zero2prod
To run in the production environment (the first command just checks if sqlx-data.json is populated correctly):
cargo sqlx prepare --check -- --bin zero2prod
sudo docker build --tag zero2prod --file Dockerfile .
sudo docker run -p 8000:8000 zero2prod
With the app running in either the local or production environment, you can navigate to http://localhost:8000/login, or simulate client requests using commands such as:
curl -v http://127.0.0.1:8000/health_check
curl -vd "name=le%20guin&email=ursula_le_guin%40gmail.com" http://127.0.0.1:8000/subscriptions
To deploy the app on DigitalOcean's servers:
doctl apps create --spec spec.yaml
To speed up the inner development loop, install a fast linker (see "LLVM stuff" above), then
cargo install bunyan
cargo install cargo-watch
cargo watch -x check -x test -x "run | bunyan"
Note: last I checked, there seems to be a problem with the production environment, where the cargo sqlx prepare --check and docker run commands both fail.
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