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PostgreSQL Operator for Kubernetes: Simplify Cluster Management
This open-source Kubernetes operator automates the creation, configuration, and management of highly available PostgreSQL clusters.
Go
Added on 2025年6月12日4,729
Stars1,026
ForksGo
LanguageProject Introduction
Summary
The Kubernetes PostgreSQL Operator provides a robust and opinionated way to run production-ready PostgreSQL clusters natively on Kubernetes, leveraging custom resources.
Problem Solved
Managing stateful applications like databases on Kubernetes manually is complex, error-prone, and requires deep database and Kubernetes expertise. This operator simplifies these tasks, providing automation for lifecycle management, scaling, and high availability.
Core Features
Automated Cluster Provisioning
Easily deploy new PostgreSQL clusters with specified versions, resources, and configurations via Custom Resources.
High Availability & Failover
Built-in support for synchronous or asynchronous replication, ensuring automatic failover in case of primary instance failure.
Backup and Restore
Integrates with cloud storage (e.g., S3) for scheduled backups and straightforward restoration.
Scaling
Seamlessly scale read replicas or adjust resource requests/limits for primary and replica instances.
Tech Stack
Go
Kubernetes API
Custom Resource Definitions (CRDs)
PostgreSQL
Docker
使用场景
The PostgreSQL Operator is ideal for various scenarios requiring managed and automated PostgreSQL on Kubernetes:
场景一：Deploying Production Databases
Details
Quickly set up highly available PostgreSQL clusters for production workloads with automated backups and monitoring.
User Value
Reduces operational overhead and ensures data durability and availability.
场景二：Setting up Development/Testing Environments
Details
Spin up isolated PostgreSQL instances for developers or CI/CD pipelines with minimal configuration.
User Value
Accelerates development cycles and ensures consistent testing environments.
场景三：Managing Multiple Database Instances
Details
Manage numerous PostgreSQL databases across different teams or applications within a single Kubernetes cluster.
User Value
Centralized management and standardization of database deployments.
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