fix: set selector

[mikolajsobolewski]

Summary by CodeRabbit

• Bug Fixes
  • Improved reliability of job management in the migrations Helm chart by ensuring correct label matching between Jobs and their Pods.
• Chores
  • Updated the chart version to 0.2.2 and refreshed the version badge in documentation.

[coderabbitai]

Walkthrough

The changes increment the Helm chart version for the migrations chart from 0.2.1 to 0.2.2, update the version badge in the README, and modify the Job manifest template to explicitly add a selector field and matching job-name label for proper label alignment between the Job and its Pods.

Changes

File(s)	Change Summary
charts/migrations/Chart.yaml, README.md	Bumped chart version from 0.2.1 to 0.2.2 in both metadata and README badge.
charts/migrations/templates/job.yaml	Added spec.selector with matchLabels and ensured Pod template labels include job-name.

Sequence Diagram(s)

sequenceDiagram
    participant Helm as Helm Chart
    participant K8s as Kubernetes API Server
    participant Job as Job Resource
    participant Pod as Pod

    Helm->>K8s: Apply Job manifest with selector and labels
    K8s->>Job: Create Job with selector (job-name)
    Job->>Pod: Create Pod with matching job-name label
    K8s->>Job: Ensure Pod matches Job's selector via job-name

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Possibly related PRs

• feat: add migrations #20: Introduced the initial migrations Helm chart and Job template, which this PR directly modifies by adding selectors and updating the version.

Suggested reviewers

• zavertiaev

Poem

A chart hops up from one to two,
With labels matched and pods anew.
The selector’s set, the badge is bright,
Migrations march in tidy light.
🥕🐇 Helm charts leap—oh what a view!

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📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between 19eccdf and 4823520.

📒 Files selected for processing (3)

• charts/migrations/Chart.yaml (1 hunks)
• charts/migrations/README.md (1 hunks)
• charts/migrations/templates/job.yaml (1 hunks)

🔇 Additional comments (4)

charts/migrations/templates/job.yaml (2)

10-12: Explicit Job selector added
Adding the selector.matchLabels tied to the job-name ensures the Job only targets its own Pods. This aligns perfectly with the Pod template labels.

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17-17: Pod template label matches selector
Including the same job-name label under template.metadata.labels guarantees consistent label matching between the Job and its Pods.

charts/migrations/README.md (1)

3-3: Update README version badge
The version badge has been correctly bumped to 0.2.2 to reflect the Chart.yaml update.

charts/migrations/Chart.yaml (1)

5-5: Bump chart version to 0.2.2
The chart version has been updated as part of this release—ensure it aligns with any downstream automation or deployment workflows.

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