Update n8nio/runners Docker tag to v2.34.2 - #42
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📝 WalkthroughWalkthroughThe Docker Compose configuration updates the ChangesRunner image update
Estimated code review effort: 1 (Trivial) | ~2 minutes Possibly related PRs
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In `@docker-compose.yml`:
- Line 382: Align the n8nio/n8n and n8nio/runners image tags in the Docker
Compose configuration by either updating the main n8nio/n8n image to 2.32.5 or
changing the runner image to 2.32.4; ensure both use the same version.
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docker-compose.yml
| cap_drop: | ||
| - ALL | ||
| image: n8nio/runners:2.32.4 | ||
| image: n8nio/runners:2.32.5 |
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🗄️ Data Integrity & Integration | 🟠 Major | ⚡ Quick win
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🏁 Script executed:
#!/bin/bash
set -euo pipefail
printf '\n== docker-compose.yml around n8n/runner images ==\n'
nl -ba docker-compose.yml | sed -n '300,400p'
printf '\n== search for n8n version guidance in repo ==\n'
rg -n "runner|n8n.*version|same version|protocol incompatibilities|n8nio/n8n|n8nio/runners" -S . || trueRepository: xRahul/Pi-setup
Length of output: 244
🌐 Web query:
n8n runners same version main worker runner protocol incompatibilities docker compose documentation
💡 Result:
When using n8n with external task runners in a Docker Compose environment, maintaining version consistency and proper network configuration is critical to avoiding protocol incompatibilities and connection failures [1][2]. Version Matching The n8nio/runners image version must match the version of the n8nio/n8n image exactly [1][2]. Mismatched versions can lead to protocol incompatibilities in the communication between the task broker (the n8n instance) and the task runner [1][2]. Additionally, when running n8n in queue mode, all main and worker processes must also be running the same version of n8n to ensure cluster stability [3]. Common Incompatibilities and Configuration Requirements - Broker Connection: Task runners must connect to the specific n8n instance acting as the broker (the main n8n instance or specific worker instances, depending on your configuration) [4]. If using Docker Compose, ensure the N8N_RUNNERS_TASK_BROKER_URI environment variable correctly references the service name and the broker port (default 5679), not localhost, to avoid connection resolution errors [5][6]. - Sidecar Topology: In queue mode, each n8n instance (main and worker) that processes tasks generally requires its own dedicated sidecar container for task runners [4][2]. If OFFLOAD_MANUAL_EXECUTIONS_TO_WORKERS is set to true, only workers strictly need the runner sidecars; however, if set to false, the main instance also requires one to handle manual executions [4][2]. - Authentication: You must use a consistent N8N_RUNNERS_AUTH_TOKEN shared between the n8n instance and the runner containers [1][2][6]. - Networking: The N8N_RUNNERS_BROKER_LISTEN_ADDRESS must be set to 0.0.0.0 (rather than the default localhost) to allow the broker to accept connections from external sidecar containers in a multi-container Docker environment [1][2][7]. Known Issues Users have historically reported issues where runner containers fail to re-establish communication if the worker container restarts, or where specific n8n releases introduce incompatibilities in the runner image (e.g., related to native addon or Node.js runtime mismatches) [8][9]. Always check the release notes for your specific n8n version, as patches to the main n8n image do not always automatically propagate to the external runners image [8].
Citations:
- 1: https://docs.n8n.io/deploy/host-n8n/configure-n8n/set-up-task-runners
- 2: https://main--n8n-docs.netlify.app/hosting/configuration/task-runners/
- 3: https://github.com/n8n-io/n8n-docs/blob/main/docs/hosting/scaling/queue-mode.md
- 4: https://community.n8n.io/t/remove-task-runner-from-n8nio-n8n-docker-image/237180
- 5: https://community.n8n.io/t/cant-run-task-runner-at-docker/238054?tl=en
- 6: https://community.n8n.io/t/external-task-runner-v2-4-8-error-when-launching-runner-process/259133/3?tl=en
- 7: https://n8n-docs.teamlab.info/hosting/configuration/task-runners/
- 8: https://community.n8n.io/t/psa-v2-8-x-external-task-runner-broken-need-better-qa/274973
- 9: n8n Worker-Runner Connection Loss After Auto-Restart n8n-io/n8n#23447
🏁 Script executed:
#!/bin/bash
set -euo pipefail
printf '\n== docker-compose.yml slice around runner/main images ==\n'
sed -n '300,400p' docker-compose.yml
printf '\n== all n8nio image tags in docker-compose.yml ==\n'
grep -nE 'n8nio/(n8n|runners):' docker-compose.yml || trueRepository: xRahul/Pi-setup
Length of output: 3485
Keep the n8n and runner images on the same version. n8nio/n8n is still pinned to 2.32.4 while n8nio/runners is 2.32.5; this version skew can break task-runner communication. Update the main image in the same PR, or keep the runner on 2.32.4.
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@docker-compose.yml` at line 382, Align the n8nio/n8n and n8nio/runners image
tags in the Docker Compose configuration by either updating the main n8nio/n8n
image to 2.32.5 or changing the runner image to 2.32.4; ensure both use the same
version.
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@docker-compose.yml`:
- Line 382: Update the n8nio/runners image tag in the Docker Compose
configuration to match the n8nio/n8n image tag, 2.32.4, unless documented
compatibility explicitly supports the current cross-version pairing.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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Review profile: CHILL
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📒 Files selected for processing (1)
docker-compose.yml
| cap_drop: | ||
| - ALL | ||
| image: n8nio/runners:2.32.4 | ||
| image: n8nio/runners:2.33.0 |
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🗄️ Data Integrity & Integration | 🟠 Major
Keep the n8n and runner images on the same version.
n8nio/n8n remains pinned to 2.32.4 at Line 317, while this change sets n8nio/runners to 2.33.0. Align both tags, or verify that this cross-version combination is explicitly supported before merging.
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@docker-compose.yml` at line 382, Update the n8nio/runners image tag in the
Docker Compose configuration to match the n8nio/n8n image tag, 2.32.4, unless
documented compatibility explicitly supports the current cross-version pairing.
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@docker-compose.yml`:
- Line 382: Align the runner image tag in the Docker Compose configuration with
the n8nio/n8n image tag, using 2.32.4 for both unless explicit compatibility
verification supports the newer runner version.
🪄 Autofix (Beta)
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
| cap_drop: | ||
| - ALL | ||
| image: n8nio/runners:2.32.4 | ||
| image: n8nio/runners:2.33.2 |
There was a problem hiding this comment.
🗄️ Data Integrity & Integration | 🟠 Major
Keep the n8n and runner images on the same version.
n8nio/n8n remains pinned to 2.32.4 at Line 317, while this change sets the runner to 2.33.2. Align both tags, or verify that this cross-version pairing is explicitly supported before merging; n8n recommends upgrading main, worker, and runner components together to avoid protocol incompatibilities. (docs.n8n.io)
🤖 Prompt for AI Agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
In `@docker-compose.yml` at line 382, Align the runner image tag in the Docker
Compose configuration with the n8nio/n8n image tag, using 2.32.4 for both unless
explicit compatibility verification supports the newer runner version.
Source: MCP tools
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1 participant
This PR contains the following updates:
2.32.4→2.34.2Release Notes
n8n-io/n8n (n8nio/runners)
v2.34.0Bug Fixes
causeon execution errors (#35216) (0d4c3a7)Features
Performance Improvements
v2.33.5Bug Fixes
v2.33.4Bug Fixes
v2.33.3Bug Fixes
v2.33.2Bug Fixes
v2.33.1Features
v2.33.0Bug Fixes
Configuration
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