Object Storage seamless migration

[matt-aitken]

This allows seamless migration to different object storage.

Existing runs that have offloaded payloads/outputs will continue to use the default object store (configured using OBJECT_STORE_* env vars).

You can add additional stores by setting new env vars:

• OBJECT_STORE_DEFAULT_PROTOCOL this determines where new run large payloads will get stored.
• If you set that you need to set new env vars for that protocol.

Example:

OBJECT_STORE_DEFAULT_PROTOCOL=“s3"
OBJECT_STORE_S3_BASE_URL=https://s3.us-east-1.amazonaws.com
OBJECT_STORE_S3_ACCESS_KEY_ID=<val>
OBJECT_STORE_S3_SECRET_ACCESS_KEY=<val>
OBJECT_STORE_S3_REGION=us-east-1
OBJECT_STORE_S3_SERVICE=s3

[mintlify]

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Project	Status	Preview	Updated (UTC)
trigger	🟢 Ready	View Preview	Mar 26, 2026, 10:40 AM

[changeset-bot]

🦋 Changeset detected

Latest commit: 4071aca

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 29 packages

Name	Type
@trigger.dev/core	Patch
@trigger.dev/build	Patch
trigger.dev	Patch
@trigger.dev/python	Patch
@trigger.dev/redis-worker	Patch
@trigger.dev/schema-to-json	Patch
@trigger.dev/sdk	Patch
@internal/cache	Patch
@internal/clickhouse	Patch
@internal/llm-model-catalog	Patch
@internal/redis	Patch
@internal/replication	Patch
@internal/run-engine	Patch
@internal/schedule-engine	Patch
@internal/testcontainers	Patch
@internal/tracing	Patch
@internal/tsql	Patch
@internal/zod-worker	Patch
d3-chat	Patch
references-d3-openai-agents	Patch
references-nextjs-realtime	Patch
references-realtime-hooks-test	Patch
references-realtime-streams	Patch
references-telemetry	Patch
@internal/sdk-compat-tests	Patch
@trigger.dev/react-hooks	Patch
@trigger.dev/rsc	Patch
@trigger.dev/database	Patch
@trigger.dev/otlp-importer	Patch

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Walkthrough

Replaces the R2-specific object-store implementation with a new multi-protocol object store module (apps/webapp/app/v3/objectStore.server.ts) and deletes the old r2.server.ts. Import sites were updated to use the new module and callsites now capture returned stored filenames. The new module provides protocol-prefixed URI parsing/formatting, a protocol-aware client registry, upload/download/presign APIs, and support for a configurable default upload protocol. Environment examples and documentation were extended with OBJECT_STORE_DEFAULT_PROTOCOL and protocol-prefixed provider variables (e.g., OBJECT_STORE_S3_*, OBJECT_STORE_R2_*).

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~60 minutes

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 40.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'Object Storage seamless migration' directly and clearly describes the main change—adding support for seamless migration to different object storage providers with multi-provider configuration.
Description check	✅ Passed	The description provides a clear overview of the feature (seamless migration, multi-provider support, env var configuration) and includes a practical example, but is missing several template sections including explicit testing steps, a formal changelog entry, and the contributor checklist.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch object-storage-migration

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[github-actions]

🧭 Helm Chart Prerelease Published

Version: 4.0.5-pr3275.4071aca

Install:

helm upgrade --install trigger \
  oci://ghcr.io/triggerdotdev/charts/trigger \
  --version "4.0.5-pr3275.4071aca"

⚠️ This is a prerelease for testing. Do not use in production.

[devin-ai-integration]

Devin Review found 0 new potential issues.

View 8 additional findings in Devin Review.

[devin-ai-integration]

Devin Review found 0 new potential issues.

View 8 additional findings in Devin Review.