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Check Docker Hub tag details after a pull request review

A submitted review can be a useful point to check registry details tied to the proposed change. Let Notis retrieve the tag you identify.

Trigger

Pull Request Review Submitted

Triggers when a new review is submitted for a GitHub pull request. Emits an event for each newly submitted review on the monitored pull request, covering all review types: APPROVED, CHANGES_REQUESTED, COMMENTED, and DISMISSED.

Action

Get Docker Hub Tag

Tool to retrieve details of a specific Docker Hub repository tag. Use after confirming the namespace, repository, and tag name.

Why this helps

Release context can be missed when review decisions and registry state are checked in separate places.

  • Keep tag information near a submitted review.
  • Reduce follow-up searches during release coordination.
  • Use an explicit tag and repository to avoid ambiguous lookups.

Setup

Build it in a few focused steps.

  • 1Connect GitHub and Docker Hub once in the Notis portal.
  • 2Create an automation from Automations, New Automation, or tell Notis from any channel.
  • 3Describe in one instruction which Docker Hub namespace, repository and tag to retrieve after a review is submitted.
  • 4Pick Pull Request Review Submitted as the trigger and choose where run reports go.
  • 5Test with one real review and confirm the tag details support your review flow.

Questions about this workflow

Does the workflow treat approval as a publish command?

No. It retrieves tag details for review context. Docker Hub publishing is not among the listed actions.

Can this run on every review type?

The trigger covers submitted reviews of all listed types, including approvals, change requests, comments and dismissals.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link GitHub to Docker hub. A trigger fires from one place; an action lands in another.

GitHub triggers

Docker hub actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Add Organization Member

Tool to send an invitation for a user to join a Docker Hub organization. Use when you need to grant membership by inviting a user via their username after choosing the appropriate role.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Create Docker Hub Organization

Tool to create a Docker Hub organization. Use when you need to programmatically instantiate a new namespace for organizing repositories.

ActionInstant

New Workflow Artifact Created

Triggers when a new workflow artifact is created in a GitHub repository. Monitors for newly created GitHub Actions workflow artifacts. Optionally filters by artifact name to restrict monitoring to specific artifacts.

TriggerPolling

Create Docker Hub Repository

Tool to create a Docker Hub repository under a namespace. Use when you need to programmatically instantiate a new repo under your organization or user.

ActionInstant

Branch Changed

Triggers when a GitHub branch changes. Monitors a specific branch for: - New commits pushed (head commit SHA changes) - Protection status toggled (branch becomes protected or unprotected) - Protection settings changed, including: required status checks and their enforcement level, admin enforcement, required pull request reviews (dismiss stale reviews, code owner reviews, approving review count, last push approval), required linear history, force push allowance, deletion allowance, conversation resolution, branch locking, and fork syncing.

TriggerPolling

Create Docker Hub Webhook

Tool to create a webhook on a Docker Hub repository. Use after determining repository details.

ActionInstant

New Branch Created

Triggers when a new branch is created in a GitHub repository. Detects newly created branches. Deleted branches do not fire events.

TriggerPolling

Delete Repository Image

Tool to delete a specific image within a Docker Hub repository. Use when you have confirmed the namespace, repository, and image ID to remove.

ActionInstant

Check Run Status / Conclusion Changed

Triggers when a specific GitHub check run changes its status or conclusion. Monitors a single check run for changes to: status (queued, in_progress, completed, etc.), conclusion (success, failure, neutral, cancelled, skipped, timed_out, action_required), started_at, and completed_at.

TriggerPolling

Delete Docker Hub Organization

Tool to delete a specific Docker Hub organization. Use when you need to permanently remove an organization. Deletion is irreversible.

ActionInstant

Check Suite Status / Conclusion Changed

Triggers when a GitHub check suite changes its status or conclusion for a given ref. Monitors all check suites associated with a git reference (branch, tag, or commit SHA) for changes to status (queued, in_progress, completed, etc.) and conclusion (success, failure, neutral, cancelled, skipped, timed_out, action_required, startup_failure, stale). Optionally filters by GitHub App ID.

TriggerPolling

Delete Docker Hub Repository

Tool to delete a specific Docker Hub repository. Use when you need to permanently remove a repository. Deletion is irreversible.

ActionInstant

New Code Scanning Alert Created

Triggers when a new code scanning alert is created in a repository. Fires an event for each newly created code scanning alert detected in the configured repository. Alerts can be filtered by Git reference, scanning tool, state, and severity. The payload includes the alert number, rule details, tool information, state, severity, and the location of the most recent instance.

TriggerPolling

Delete Repository Tag

Tool to delete a specific tag from a Docker Hub repository. Use after confirming the tag to remove.

ActionInstant

Connect any two apps with Notis in the middle.

GitHub and Docker hub, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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