feat(webapp): add RUN_REPLICATION_RUN_OPS_DATABASE_URL for the runs-replication source#4160
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WalkthroughChangesThis change adds an optional Related PRs: None identified. Suggested labels: area: platform, area: replication Suggested reviewers: None identified. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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🧹 Nitpick comments (1)
apps/webapp/app/services/runsReplicationInstance.server.ts (1)
176-176: 📐 Maintainability & Code Quality | 🔵 Trivial | ⚡ Quick winFallback wiring correct; consider a test for the env precedence itself.
The
env.RUN_REPLICATION_RUN_OPS_DATABASE_URL ?? env.RUN_OPS_DATABASE_URLselection correctly implements the described override/fallback contract. The provided test snippets only exercisebuildReplicationSourceswith an already-resolvednewUrl; none directly assert this env-precedence line's own fallback behavior. Consider adding a small unit/integration test that sets/unsetsRUN_REPLICATION_RUN_OPS_DATABASE_URLand confirms which URL is passed through.
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📓 Path-based instructions (5)
**/*.{ts,tsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
**/*.{ts,tsx}: Use types over interfaces for TypeScript
Avoid using enums; prefer string unions or const objects instead
Files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
{packages/core,apps/webapp}/**/*.{ts,tsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use zod for validation in packages/core and apps/webapp
Files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
**/*.{ts,tsx,js,jsx}
📄 CodeRabbit inference engine (.github/copilot-instructions.md)
Use function declarations instead of default exports
**/*.{ts,tsx,js,jsx}: Prefer static imports over dynamicimport(); only use dynamic imports when resolving circular dependencies, enabling real code splitting, or conditionally loading a module at runtime.
Always import from@trigger.dev/sdk; never import from@trigger.dev/sdk/v3or use deprecatedclient.defineJob.
In code that imports@trigger.dev/core, use subpath imports only and never import from the package root.
Files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
**/*.ts
📄 CodeRabbit inference engine (.cursor/rules/otel-metrics.mdc)
**/*.ts: When creating or editing OTEL metrics (counters, histograms, gauges), ensure metric attributes have low cardinality by using only enums, booleans, bounded error codes, or bounded shard IDs
Do not use high-cardinality attributes in OTEL metrics such as UUIDs/IDs (envId, userId, runId, projectId, organizationId), unbounded integers (itemCount, batchSize, retryCount), timestamps (createdAt, startTime), or free-form strings (errorMessage, taskName, queueName)
When exporting OTEL metrics via OTLP to Prometheus, be aware that the exporter automatically adds unit suffixes to metric names (e.g., 'my_duration_ms' becomes 'my_duration_ms_milliseconds', 'my_counter' becomes 'my_counter_total'). Account for these transformations when writing Grafana dashboards or Prometheus queries
Files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
apps/webapp/**/*.{ts,tsx}
📄 CodeRabbit inference engine (.cursor/rules/webapp.mdc)
apps/webapp/**/*.{ts,tsx}: Access environment variables through theenvexport ofenv.server.tsinstead of directly accessingprocess.env
Use subpath exports from@trigger.dev/corepackage instead of importing from the root@trigger.dev/corepathAlways use
findFirstinstead offindUniquefor Prisma queries.
Files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
🧠 Learnings (16)
📚 Learning: 2026-03-22T13:26:12.060Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3244
File: apps/webapp/app/components/code/TextEditor.tsx:81-86
Timestamp: 2026-03-22T13:26:12.060Z
Learning: In the triggerdotdev/trigger.dev codebase, do not flag `navigator.clipboard.writeText(...)` calls for `missing-await`/`unhandled-promise` issues. These clipboard writes are intentionally invoked without `await` and without `catch` handlers across the project; keep that behavior consistent when reviewing TypeScript/TSX files (e.g., usages like in `apps/webapp/app/components/code/TextEditor.tsx`).
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-03-22T19:24:14.403Z
Learnt from: matt-aitken
Repo: triggerdotdev/trigger.dev PR: 3187
File: apps/webapp/app/v3/services/alerts/deliverErrorGroupAlert.server.ts:200-204
Timestamp: 2026-03-22T19:24:14.403Z
Learning: In the triggerdotdev/trigger.dev codebase, webhook URLs are not expected to contain embedded credentials/secrets (e.g., fields like `ProjectAlertWebhookProperties` should only hold credential-free webhook endpoints). During code review, if you see logging or inclusion of raw webhook URLs in error messages, do not automatically treat it as a credential-leak/secrets-in-logs issue by default—first verify the URL does not contain embedded credentials (for example, no username/password in the URL, no obvious secret/token query params or fragments). If the URL is credential-free per this project’s conventions, allow the logging.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-05-18T08:21:27.694Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3632
File: apps/webapp/sentry.server.ts:4-21
Timestamp: 2026-05-18T08:21:27.694Z
Learning: When handling Prisma error P1001 ("Can't reach database server") in TypeScript, don’t assume a single error shape. Prisma can surface P1001 via two different error classes/fields: `PrismaClientKnownRequestError` exposes it as `err.code === "P1001"` (common during mid-query connection drops), while `PrismaClientInitializationError` exposes it as `err.errorCode === "P1001"` (common on client startup failure). Therefore, predicates should use `err.code === "P1001" || err.errorCode === "P1001"`. Do not flag `err.code === "P1001"` as “unreachable/never matches,” as it is expected in production.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-05-18T08:21:27.694Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3632
File: apps/webapp/sentry.server.ts:4-21
Timestamp: 2026-05-18T08:21:27.694Z
Learning: When handling Prisma errors for P1001 ("Can't reach database server"), do not assume it only appears under a single property name. Prisma may surface P1001 via either `PrismaClientKnownRequestError` (`err.code === "P1001"`, e.g., mid-query connection drops) or `PrismaClientInitializationError` (`err.errorCode === "P1001"`, e.g., client startup connection failure). To reliably detect the condition, check `err.code === "P1001" || err.errorCode === "P1001"`, and avoid review rules that would incorrectly flag `err.code === "P1001"` as unreachable/never-matching.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-06-13T19:53:13.759Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3937
File: packages/trigger-sdk/skills/realtime-and-frontend/SKILL.md:258-260
Timestamp: 2026-06-13T19:53:13.759Z
Learning: When reviewing code that uses `trigger.dev/react-hooks`’s `useRealtimeRun`, preserve the call signature where the first argument is the full realtime handle object (not `handle.id`). This is intentional to maintain type-safety and is consistent with the official docs; do not suggest changing the first argument from the handle object to `handle.id`.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-06-17T17:13:49.929Z
Learnt from: matt-aitken
Repo: triggerdotdev/trigger.dev PR: 3948
File: apps/webapp/app/routes/_app.orgs.$organizationSlug.projects.$projectParam.env.$envParam.bulk-actions.$bulkActionParam/route.tsx:48-62
Timestamp: 2026-06-17T17:13:49.929Z
Learning: In triggerdotdev/trigger.dev, within `dashboardLoader`/`dashboardAction` (or similar context resolver code) whenever you resolve an organization ID from an organization slug for RBAC/enterprise authorization scope, always read from the primary Prisma client (`prisma`), not `$replica`. Using `$replica` can hit replica-lag and cause the RBAC lookup/authorization to run without the correct org scope (bypassing intended role enforcement). Implement the slug→org lookup with `prisma.organization.findFirst(...)` (or equivalent primary-client query) and add an inline comment documenting why the primary client is required (replica lag could lead to unscoped RBAC checks).
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-06-23T13:04:21.413Z
Learnt from: carderne
Repo: triggerdotdev/trigger.dev PR: 4023
File: apps/webapp/app/services/upsertBranch.server.ts:14-18
Timestamp: 2026-06-23T13:04:21.413Z
Learning: In TypeScript, it’s valid to `import { type X }` and then use `typeof X` in a type-only position, e.g. `type Alias = z.infer<typeof X>`. The `type` modifier suppresses the runtime import, but the type checker still has the full exported type so `z.infer<typeof X>` can resolve correctly. In code reviews, don’t flag this as a TypeScript compile error as long as `typeof X` is used in a type context (e.g., with `z.infer`, `type` aliases, generics), not as a runtime value.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-05-05T09:38:02.512Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3523
File: apps/webapp/app/routes/api.v3.batches.ts:178-181
Timestamp: 2026-05-05T09:38:02.512Z
Learning: When reviewing code that catches `ServiceValidationError` in `*.server.ts` files, do not blindly forward `error.status` to HTTP responses, because SVEs may be thrown with non-default statuses (e.g., 400/500) and forwarding them can cause client-visible behavioral regressions (e.g., surfacing 500s to clients). Prefer a safe default response status of `error.status ?? 422`, but only after confirming via the reachable call graph that the caught `ServiceValidationError` instances are expected to carry those non-default statuses; otherwise, normalize to `422` to avoid unexpected client-visible 5xx behavior.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-05-12T21:04:05.815Z
Learnt from: ericallam
Repo: triggerdotdev/trigger.dev PR: 3542
File: apps/webapp/app/components/sessions/v1/SessionStatus.tsx:1-3
Timestamp: 2026-05-12T21:04:05.815Z
Learning: In this Remix + TypeScript codebase, do not flag a server/client boundary violation when a file imports only types from a module matching `*.server`.
Specifically, it’s safe to import types using `import type { Foo } from "*.server"` or `import { type Foo } from "*.server"` because TypeScript erases type-only imports at compile time and they emit no JavaScript, so they won’t cross the Remix server/client bundle boundary.
Only raise the boundary concern for value imports (e.g., `import { Foo }` without `type`, or `import Foo`), since those produce JavaScript output.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-06-25T18:21:51.905Z
Learnt from: carderne
Repo: triggerdotdev/trigger.dev PR: 4039
File: apps/webapp/app/routes/invite-revoke.tsx:0-0
Timestamp: 2026-06-25T18:21:51.905Z
Learning: During the Zod v4 migration in the triggerdotdev/trigger.dev webapp, ensure any imports from `conform-to/zod` use the Zod-4 subpath: `conform-to/zod/v4` (e.g., `import { parseWithZod } from "conform-to/zod/v4"`). Do not import from the package root `conform-to/zod`, because it is the Zod 3 implementation and may load Zod-3-only symbols (e.g., `ZodBranded`, `ZodEffects`), which can throw at module load (notably with `zod4.4.3`). This should be enforced across `apps/webapp/**/*` where helpers like `parseWithZod` and `conformZodMessage` are used.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-07-03T17:10:21.498Z
Learnt from: 0ski
Repo: triggerdotdev/trigger.dev PR: 4148
File: apps/webapp/app/models/orgMember.server.ts:149-168
Timestamp: 2026-07-03T17:10:21.498Z
Learning: In triggerdotdev/trigger.dev, `User.email` (Prisma schema: `internal-packages/database/prisma/schema.prisma`) currently does NOT use `citext` and does NOT have a `lower(email)` functional unique index. Therefore, do not introduce Prisma queries like `where: { email: { equals: <value>, mode: "insensitive" } }` (or any case-insensitive lookup) against `User.email`, because it can force sequential scans of the `users` table under load. During review, ensure email is normalized (e.g., lowercased/trimmed) before both writes and subsequent lookups, and if true case-insensitive behavior/uniqueness is required, implement it via a separate app-wide migration (e.g., switch to `citext` and/or add a functional unique index with backfill) rather than bolting it onto individual feature PRs.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-05-20T17:21:18.543Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3678
File: apps/webapp/app/entry.server.tsx:0-0
Timestamp: 2026-05-20T17:21:18.543Z
Learning: In env.server.ts (Zod env schema), any environment variable you plan to access via the typed `env` export (e.g., `env.SENTRY_DSN`) must be explicitly declared in the schema. For `SENTRY_DSN`, include `SENTRY_DSN: z.string().optional()`; otherwise switching from `process.env.SENTRY_DSN` to `env.SENTRY_DSN` will fail TypeScript typechecking.
Applied to files:
apps/webapp/app/env.server.ts
📚 Learning: 2026-06-01T11:37:08.569Z
Learnt from: d-cs
Repo: triggerdotdev/trigger.dev PR: 3754
File: apps/webapp/app/env.server.ts:1104-1129
Timestamp: 2026-06-01T11:37:08.569Z
Learning: In apps/*/app/env.server.ts, any new background/periodic worker feature flag should hard-default to "0" (explicit opt-in) rather than inheriting from a parent flag (e.g., avoid defaulting to process.env.TRIGGER_MOLLIFIER_ENABLED ?? "0"). Inheriting can cause the new worker to auto-start on upgrade for deployments that already enabled the parent flag, turning on unexpected background load without an explicit rollout. Each worker component must require its own dedicated env var and default it explicitly to "0" (e.g., TRIGGER_MOLLIFIER_STALE_SWEEP_ENABLED defaults to "0" unless explicitly set to enable that worker).
Applied to files:
apps/webapp/app/env.server.ts
📚 Learning: 2026-06-04T18:16:35.386Z
Learnt from: nicktrn
Repo: triggerdotdev/trigger.dev PR: 3836
File: apps/supervisor/src/backpressure/backpressureMonitor.ts:3-5
Timestamp: 2026-06-04T18:16:35.386Z
Learning: When reviewing TypeScript in this repo, apply the rule “prefer type aliases over interfaces” only to data/object shapes and union/intersection type modeling. If an interface is being used as a behavioral contract for collaborators to implement (e.g., method-shape interfaces that define required behavior, such as `BackpressureLogger` / `BackpressureSignalSource` in `apps/supervisor/src/backpressure/backpressureMonitor.ts`), keep it as an `interface` and do not flag it as a type-alias-vs-interface violation.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-06-09T17:58:04.699Z
Learnt from: 0ski
Repo: triggerdotdev/trigger.dev PR: 3879
File: apps/webapp/app/models/vercelIntegration.server.ts:619-630
Timestamp: 2026-06-09T17:58:04.699Z
Learning: In this codebase, outbound raw `fetch` calls should typically rely on Node/undici’s default request timeout (about ~300s) rather than adding a per-call `AbortController` + `setTimeout` wrapper inside individual functions (e.g. in files like `apps/webapp/app/models/vercelIntegration.server.ts`). During code review, do not flag the absence of a per-call timeout on a single `fetch` as an issue; if per-call timeouts are needed, they should be implemented via a codebase-wide convention (e.g., a shared fetch wrapper or documented pattern) rather than ad-hoc per-function changes.
Applied to files:
apps/webapp/app/env.server.tsapps/webapp/app/services/runsReplicationInstance.server.ts
📚 Learning: 2026-03-26T09:02:07.973Z
Learnt from: myftija
Repo: triggerdotdev/trigger.dev PR: 3274
File: apps/webapp/app/services/runsReplicationService.server.ts:922-924
Timestamp: 2026-03-26T09:02:07.973Z
Learning: When parsing Trigger.dev task run annotations in server-side services, keep `TaskRun.annotations` strictly conforming to the `RunAnnotations` schema from `trigger.dev/core/v3`. If the code already uses `RunAnnotations.safeParse` (e.g., in a `#parseAnnotations` helper), treat that as intentional/necessary for atomic, schema-accurate annotation handling. Do not recommend relaxing the annotation payload schema or using a permissive “passthrough” parse path, since the annotations are expected to be written atomically in one operation and should not contain partial/legacy payloads that would require a looser parser.
Applied to files:
apps/webapp/app/services/runsReplicationInstance.server.ts
🔇 Additional comments (2)
apps/webapp/app/env.server.ts (1)
1716-1723: LGTM!apps/webapp/app/services/runsReplicationInstance.server.ts (1)
74-75: LGTM!
…eplication source The run-ops runs-replication source now takes its connection URL from RUN_REPLICATION_RUN_OPS_DATABASE_URL, required whenever the run-ops split is enabled. The runs replicator speaks the Postgres streaming replication protocol, which cannot run through a transaction pooler, so it needs its own direct endpoint separate from the app's RUN_OPS_DATABASE_URL (which may point at a pooler). When the split is on and this is unset, boot fails via SplitReplicationMisconfiguredError rather than silently falling back to a wrong endpoint.
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Summary
The run-ops runs-replication source now takes its connection URL from
RUN_REPLICATION_RUN_OPS_DATABASE_URL, required whenever the run-ops split is enabled.The runs replicator speaks the Postgres streaming replication protocol, which cannot run through a transaction pooler, so it needs its own direct endpoint separate from the app's
RUN_OPS_DATABASE_URL(which may point at a pooler). When the split is on and this is unset, boot fails viaSplitReplicationMisconfiguredErrorrather than silently falling back to a wrong endpoint.