Jobs

Jobs define the configuration for a specific task that can be executed. They act as templates for Runs.

Job Model

The Job struct (defined in apps/strait/internal/domain/types.go) contains the following fields:

Field	Type	Description
`id`	`string`	Unique identifier (UUIDv7).
`project_id`	`string`	The project this job belongs to.
`group_id`	`string`	Optional ID of the `JobGroup` for logical organization.
`name`	`string`	Human-readable name of the job.
`slug`	`string`	URL-friendly identifier, unique within a project.
`description`	`string`	Optional detailed description.
`cron`	`string`	5-field cron expression for automatic scheduling.
`cron_overlap_policy`	`string`	Behavior when a cron tick fires with active runs: `allow` (default), `skip`, or `cancel_running`. See Scheduling.
`payload_schema`	`json`	JSON Schema to validate incoming trigger payloads.
`tags`	`map[string]string`	Key-value pairs for filtering and metadata.
`endpoint_url`	`string`	The primary HTTP URL where the job payload is sent.
`fallback_endpoint_url`	`string`	Optional URL used if the primary endpoint fails.
`max_attempts`	`int`	Maximum number of retry attempts (default: 3).
`timeout_secs`	`int`	Maximum execution time in seconds (default: 300).
`max_concurrency`	`int`	Per-job limit on simultaneous executing runs.
`execution_window_cron`	`string`	Cron-like expression defining when the job is allowed to run.
`timezone`	`string`	Timezone for cron scheduling (e.g., “UTC”, “America/New_York”).
`rate_limit_max`	`int`	Maximum number of runs allowed in the rate limit window.
`rate_limit_window_secs`	`int`	The window size for rate limiting in seconds.
`max_concurrency_per_key`	`int`	Per-key concurrency limit. When set with a run’s `concurrency_key`, limits concurrent active runs sharing the same key.
`rate_limit_keys`	`[]RateLimitKey`	Named rate limit configurations. Each entry has `name`, `max`, and `window_secs`.
`default_run_metadata`	`map[string]string`	Default metadata key-value pairs applied to every run created for this job.
`dedup_window_secs`	`int`	Window for deduplicating identical trigger requests.
`enabled`	`bool`	Whether the job is active and can be triggered.
`webhook_url`	`string`	URL to notify when a run reaches a terminal state.
`webhook_secret`	`string`	Secret used to sign webhook payloads (HMAC-SHA256).
`run_ttl_secs`	`int`	Time-to-live for runs before they are considered expired.
`retry_strategy`	`string`	Strategy: `exponential`, `linear`, `fixed`, or `custom`.
`retry_delays_secs`	`[]int`	Array of delays for the `custom` retry strategy.
`poison_pill_threshold`	`*int`	Consecutive identical errors before auto-quarantine to DLQ. `null` or `0` disables. See Resilience.
`environment_id`	`string`	The environment (e.g., Staging, Production) this job is bound to.
`version`	`int`	Auto-incrementing version number (starts at 1).
`version_id`	`string`	Unique nanoid for this version (`ver_k8f2m9x1p3`). Changes on every update.
`version_policy`	`string`	How queued runs interact with updates: `pin` (default), `latest`, or `minor`. See Versioning.
`backwards_compatible`	`bool`	Whether the current version is backwards compatible with the previous version.
`created_by`	`string`	Actor ID who created the job (user ID or `apikey:<id>`).
`updated_by`	`string`	Actor ID who last updated the job.
`on_complete_trigger_workflow`	`string`	Optional workflow slug to auto-trigger when a run completes successfully.
`on_complete_payload_mapping`	`json`	Optional JSON mapping to extract fields from the run result as the triggered workflow’s payload. Uses dot-notation paths (e.g., `{"user_id": "result.user.id"}`).
`created_at`	`time.Time`	Timestamp when the job was created.
`updated_at`	`time.Time`	Timestamp of the last update.

Slugs and Project Scoping

Jobs are scoped to a project_id. The slug must be unique within that project. This allows for clean URLs and API access patterns like /v1/jobs/{jobID}.

Scheduling and Execution

{
  "cron": "0 * * * *",
  "timezone": "UTC"
}

{
  "execution_window_cron": "0 9-17 * * 1-5"
}

Cron: Standard 5-field syntax supported via robfig/cron/v3.
Execution Windows: Restricts job execution to specific times (e.g., business hours).

Concurrency and Rate Limiting

Max Concurrency: Limits the number of parallel executions for a single job definition.
Rate Limiting: Prevents thundering herds by capping the number of runs over a sliding window.
Deduplication: Uses dedup_window_secs and an idempotency key to ignore duplicate trigger requests within a short timeframe.

Per-Key Concurrency

When max_concurrency_per_key is set on a job, each run must provide a concurrency_key. Runs sharing the same key are limited to max_concurrency_per_key concurrent active executions. This is useful for per-tenant or per-resource throttling. For example, setting max_concurrency_per_key: 1 ensures only one run per key executes at a time, creating a per-key serial queue.

Named Rate Limit Keys

The rate_limit_keys field allows defining multiple named rate limits on a single job. Each entry specifies:

name: identifier for the rate limit
max: maximum runs in the window
window_secs: window duration in seconds

This extends the flat rate_limit_max/rate_limit_window_secs to support more granular control.

Job Versioning

Every time a job’s configuration is updated, the version field is automatically incremented. This ensures that:

In-flight runs continue using the configuration they were triggered with.
Historical data remains accurate to the job’s state at the time of execution.

Webhook Configuration

Jobs can be configured with a webhook_url and webhook_secret. When a run completes, fails, or times out, a signed POST request is sent to this URL.

Always use the webhook_secret to verify webhook authenticity via X-Strait-Signature + X-Strait-Timestamp (and optionally compatibility X-Webhook-Signature).

Environment Binding

Jobs can be linked to an environment_id. This allows Strait to apply environment-specific overrides, such as changing the endpoint_url when running in a “Staging” vs “Production” environment.

Runs: The execution instances of a job.
Workflows: DAGs that coordinate multiple jobs.
Job Groups: Logical containers for related jobs within a project.

Getting Started

Core Concepts

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Job Model

Slugs and Project Scoping

Scheduling and Execution

Concurrency and Rate Limiting

Per-Key Concurrency

Named Rate Limit Keys

Job Versioning

Webhook Configuration

Environment Binding

​Job Model

​Slugs and Project Scoping

​Scheduling and Execution

​Concurrency and Rate Limiting

​Per-Key Concurrency

​Named Rate Limit Keys

​Job Versioning

​Webhook Configuration

​Environment Binding

​Related Concepts

Job Model

Slugs and Project Scoping

Scheduling and Execution

Concurrency and Rate Limiting

Per-Key Concurrency

Named Rate Limit Keys

Job Versioning

Webhook Configuration

Environment Binding

Related Concepts