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Embedded Dagu Examples

These examples show how another Go application can import Dagu as a library:

import "github.com/dagucloud/dagu"

The embedded API is experimental. It is intended for applications that want to run Dagu DAGs in-process or dispatch them to existing Dagu coordinators while keeping Dagu's CLI and server behavior unchanged.

Local Execution

Run a DAG in the current process with file-backed state:

go run ./examples/embedded/local

The example creates a temporary Dagu home directory, loads examples/embedded/local/workflow.yaml, passes parameters, waits for completion, and prints the final status.

Custom Executor

Register a process-local executor and use it from DAG YAML:

go run ./examples/embedded/custom-executor

This is useful when the embedding application already has domain-specific Go code and wants DAG steps to call that code without shelling out.

Distributed Worker Execution

Run against an existing Dagu coordinator:

DAGU_COORDINATORS=127.0.0.1:50055 go run ./examples/embedded/distributed

The example starts an embedded worker and dispatches a DAG through the coordinator. Set DAGU_COORDINATORS to a comma-separated list when using more than one coordinator. The sample opts into plaintext coordinator transport for local development; production embedders should provide TLS files instead.