Update db-deployment.yaml

[swapnildhargave]

Summary by CodeRabbit

• Chores
  • Increased the number of database application instances for improved availability.

[coderabbitai]

Walkthrough

The Kubernetes deployment manifest for the database application was updated to increase the number of pod replicas from 1 to 2. No other modifications were made to the configuration, containers, or volumes.

Changes

File(s)	Change Summary
k8s-specifications/db-deployment.yaml	Increased replicas from 1 to 2 in the Deployment spec.

Poem

Two pods now dance where one once stood,
In Kubernetes’ gentle wood.
Twice the hum, twice the cheer,
Database whispers, “I’m always here!”
Replicas rise, the cluster sings—
Hopping along on high-availability wings! 🐇✨

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[swapnildhargave]

replicas change

[coderabbitai]

Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 17c12ea and f048d66.

📒 Files selected for processing (1)

• k8s-specifications/db-deployment.yaml (1 hunks)

[coderabbitai]

⚠️ Potential issue

Critical: Ephemeral storage and lack of HA for Postgres
Switching to two replicas with emptyDir volumes will spin up two independent Postgres pods that do not share or replicate data, leading to data loss and split-brain risks. For a stateful database, consider:

• Using a StatefulSet instead of a Deployment.
• Backing volumes with PersistentVolumeClaims (PVCs).
• Implementing Postgres clustering or streaming replication (e.g., Patroni).
• Managing credentials via Kubernetes Secrets rather than plaintext in the spec.

🤖 Prompt for AI Agents

In k8s-specifications/db-deployment.yaml at line 8, the current setup uses a
Deployment with two replicas and emptyDir volumes, which causes data loss risks
for Postgres. Replace the Deployment with a StatefulSet to manage stable network
IDs and persistent storage. Change the volume configuration to use
PersistentVolumeClaims (PVCs) instead of emptyDir for durable storage. Implement
Postgres clustering or streaming replication (e.g., Patroni) to ensure high
availability and data consistency. Also, move any plaintext credentials from the
spec to Kubernetes Secrets for secure management.