dagger-rs/crates/dagger-sdk/examples/caching/main.rs

use rand::Rng;

fn main() -> eyre::Result<()> {
    let client = dagger_sdk::connect()?;

    let host_source_dir = client.host().directory_opts(
        "./examples/caching/app",
        dagger_sdk::HostDirectoryOptsBuilder::default()
            .exclude(vec!["node_modules", "ci/"])
            .build()?,
    );

    let node_cache = client.cache_volume("node").id()?;

    let source = client
        .container()
        .from("node:16")
        .with_mounted_directory("/src", host_source_dir.id()?)
        .with_mounted_cache("/src/node_modules", node_cache);

    let runner = source
        .with_workdir("/src")
        .with_exec(vec!["npm", "install"]);

    let test = runner.with_exec(vec!["npm", "test", "--", "--watchAll=false"]);

    let build_dir = test
        .with_exec(vec!["npm", "run", "build"])
        .directory("./build");

    let mut rng = rand::thread_rng();

    let ref_ = client
        .container()
        .from("nginx")
        .with_directory("/usr/share/nginx/html", build_dir.id()?)
        .publish(format!("ttl.sh/hello-dagger-rs-{}:1h", rng.gen::<u64>()))?;

    println!("published image to: {}", ref_);

    Ok(())
}