The app.yaml references a local package, but no wasmer.toml

Error message

The app.yaml references a local package, but no wasmer.toml manifest was found in {} - use --build-remote to deploy with a remote build.

What it means

Error "The app.yaml references a local package, but no wasmer.toml manifest was found in {} - use --build-remote to deploy with a remote build." thrown in wasmerio/wasmer.

Source

Thrown at lib/cli/src/commands/app/deploy.rs:748

        let wait = if self.no_wait {
            WaitMode::Deployed
        } else {
            WaitMode::Reachable
        };

        let mut app_cfg_new = app_config.clone();

        // If the directory has an app.yaml, but no wasmer.toml manifest,
        // ask the user to deploy with a remote build instead.
        if !self.build_remote {
            let is_local_pkg = app_cfg_new.package.to_string() == ".";
            let manifest_path = base_dir_path.join(DEFAULT_PACKAGE_MANIFEST_FILE);
            let manifest_exists = manifest_path.is_file();

            if is_local_pkg && !manifest_exists {
                if self.non_interactive {
                    anyhow::bail!(
                        "The app.yaml references a local package, but no wasmer.toml manifest was found in {} - use --build-remote to deploy with a remote build.",
                        base_dir_path.display()
                    );
                }

                let theme = ColorfulTheme::default();
                let should_use_remote = Confirm::with_theme(&theme)
                    .with_prompt(format!(
                        "No wasmer.toml manifest found in {}. Deploy with a remote build instead?",
                        base_dir_path.display()
                    ))
                    .default(true)
                    .interact()?;

                if should_use_remote {
                    self.handle_remote_build(&client).await?;
                    return Ok(());
                } else {

View on GitHub (pinned to 8c4b9ee9d3)

When it happens

Trigger: Thrown at lib/cli/src/commands/app/deploy.rs:748 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of wasmerio/wasmer@8c4b9ee9d3 (2026-09-01). Data as JSON: /api/errors/b68166579010fd31. Report an issue: GitHub.