Skip to content
  • About Me
  • Contact
  • Support My Blog
  • Linkedln
  • Github
  • Twitter
  • Medium

BootLabs TechBlog

Spring, Java, Kubernetes, Docker, Jenkins, MongoDB, Cloud, Ansible, JavaScript

  • Home
  • Languages & Frameworks
    • Java Core
    • Spring Boot
    • Spring Security
    • Spring WebFlux
    • Spring Batch
    • Python
    • Angular
    • Node.js
  • Cloud
    • AWS
  • Database
    • MongoDB
    • DynamoDB
    • PostgreSQL
    • Redis
  • Distributed Systems
    • Kafka
    • Pulsar
    • RabbitMQ
    • Redis
  • Mobile
    • Flutter
  • Tools
    • DevOps
      • Jenkins
      • Docker
      • Kubernetes
      • Terraform
      • Ansible
    • Keycloak
    • HashiCorp

Tag: Spring Boot

  • Home
  • Spring Boot
Angular Docker Kubernetes Spring Boot

Lab12 (Spring Boot/K8S): Exposing Spring Boot Applications with Kubernetes Ingress

October 7, 2026October 7, 2026 Editorial Team

In Lab12 of my Spring Boot/K8S series, I replace Lab10’s NodePort-exposed Angular frontend with a real Ingress setup: one host, three backends (frontend, a Spring

Read More
Docker Kubernetes

Lab11 (Spring Boot/K8S): Auto-Scaling Spring Boot Applications with Kubernetes HPA

September 29, 2026September 29, 2026 Editorial Team

In this post, I’ll build a production-oriented HPA for a CPU-bound Spring Boot 3.3 service, configure autoscaling/v2, set up metrics-server, and test scale-out and scale-in

Read More
Docker PostgreSQL Spring Boot Spring Security

Spring Authorization Server in Action: Securing Modern Applications with OAuth 2.1

September 7, 2026September 7, 2026 Editorial Team

In this post, we’ll explore a complete implementation of the Spring authorization server using PostgreSQL for data persistence. Prerequisites Overview Every team eventually builds their

Read More
Flutter Kafka Spring Boot

60-Day Kafka 4 Learning Plan · Week 9 — Day 58 of 60

August 28, 2026August 28, 2026 Editorial Team

60-Day Kafka 4 Learning Plan · Week 9 — Capstone & Career Stack: Spring Boot 3 · Kafka 4 KRaft · STOMP WebSocket · STOMP · Flutter

Read More
Kafka

60-Day Kafka 4 Learning Plan · Week 5 — Day 35 of 60

August 5, 2026August 7, 2026 Editorial Team

60-Day Kafka 4 Learning Plan · Week 5 — Kafka Streams (capstone)Sources: Kafka: The Definitive Guide Ch.11 · kafka.apache.org/documentation/streams/tutorial Goal Combine all Week 5 concepts into one

Read More
Kafka

60-Day Kafka 4 Learning Plan · Week 4 — Day 28 of 60

July 29, 2026July 30, 2026 Editorial Team

60-Day Kafka 4 Learning Plan · Week 4 Lab — Schema & Serialization Sources: Kafka: The Definitive Guide Ch.3 & 9 · avro.apache.org · docs.confluent.io/schema-registry Goal Execute

Read More
Docker Kafka Spring Boot

60-Day Kafka 4 Learning Plan · Week 3 — Day 21 of 60

July 22, 2026July 23, 2026 Editorial Team

60-Day Kafka 4 Learning Plan · Week 3 — Spring Boot Integration (Lab) Sources: Kafka: The Definitive Guide Ch.3, 4 & 9 · docs.spring.io/spring-kafka Goal Assemble everything

Read More
Kafka

60-Day Kafka 4 Learning Plan · Week 3 — Day 20 of 60

July 21, 2026July 22, 2026 Editorial Team

60-Day Kafka 4 Learning Plan · Week 3 — Spring Boot Integration (Lab) Sources: Kafka: The Definitive Guide Ch.3 & 4 · docs.spring.io/spring-kafka Goal Wire two Spring

Read More
Kafka

60-Day Kafka 4 Learning Plan · Week 3 — Day 18 of 60

July 19, 2026July 21, 2026 Editorial Team

60-Day Kafka 4 Learning Plan · Week 3 — Spring Boot Integration Sources: Kafka: The Definitive Guide Ch.5 · docs.spring.io/spring-kafka/reference Goal Build a production-grade error handling pipeline

Read More
Kafka

60-Day Kafka 4 Learning Plan · Week 3 — Day 17 of 60

July 18, 2026July 19, 2026 Editorial Team

60-Day Kafka 4 Learning Plan · Week 3 — Spring Boot Integration Sources: Kafka: The Definitive Guide Ch.4 · docs.spring.io/spring-kafka/reference Goal Configure Spring Kafka consumer concurrency for

Read More

Posts pagination

1 2 … 10 Next

About Me

I have over 10 years of experience in software design, development, and deployment (Software Development life cycle).

Recent Posts

  • Kubernetes Spring Boot

    Lab13 (Spring Boot/K8S): Zero-Downtime Deployments with Kubernetes Rolling Updates

    October 12, 2026October 12, 2026
  • Angular Docker Kubernetes Spring Boot

    Lab12 (Spring Boot/K8S): Exposing Spring Boot Applications with Kubernetes Ingress

    October 7, 2026October 7, 2026
  • Docker Kubernetes

    Lab11 (Spring Boot/K8S): Auto-Scaling Spring Boot Applications with Kubernetes HPA

    September 29, 2026September 29, 2026
  • Angular Node.js

    Build a Documentation Portal for Multiple Swagger APIs Using Angular

    September 14, 2026September 14, 2026
  • Docker PostgreSQL Spring Boot Spring Security

    Spring Authorization Server in Action: Securing Modern Applications with OAuth 2.1

    September 7, 2026September 7, 2026

Categories

  • Angular
  • Ansible
  • AWS
  • Docker
  • DynamoDB
  • Flutter
  • HashiCorp
  • Java
  • Java Core
  • Jenkins
  • Kafka
  • Keycloak
  • Kubernetes
  • MongoDB
  • Node.js
  • PostgreSQL
  • Pulsar
  • Python
  • RabbitMQ
  • Redis
  • Spring Batch
  • Spring Boot
  • Spring Cloud
  • Spring Security
  • Spring WebFlux
October 2026
M T W T F S S
 1234
567891011
12131415161718
19202122232425
262728293031  
« Sep    

Archives

  • 2026 (77)
  • 2025 (28)
  • 2024 (37)
  • 2023 (18)
  • 2022 (22)
  • 2021 (6)
  • 2020 (3)

Angular (7) Apache Kafka (36) Apache Poi (1) aws (6) AWS Cognito (5) ci-cd (2) Dart (5) DB Migrations (1) Distributed Systems (1) Docker (54) Flutter (8) Github (4) Gitlab CI (1) Grafana (4) Integration Testing (7) java (107) Javascript (3) jenkins (10) Jenkins Pipeline (7) JUnit (3) K8S (12) Kafka (61) Keycloak (11) Kraft (1) kubectl (3) kubernetes (9) Liquibase (2) maven (105) Messaging System (61) Microservices (2) minikube (8) MongoDB (13) Monitoring (1) Multitenancy (1) nodejs (2) Oauth2 (3) OAuth 2.0 (4) OIDC (1) OpenAPI (2) OpenID (2) PostgreSQL (20) Postman (37) Prometheus (2) R2dbc (1) Reactor (2) Redis (8) Spring Batch (3) Spring Boot (100) Spring Core (5) Spring Data JPA (9) Spring Reactive (18) Spring Security (4) SQL (3) Testcontainers (1) Vault (2) Websocket (2) Wiremock (1)

Subscribe to my Newsletter

Thanks for your interest in subscribing to my Newsletter and Updates.

  • Linkedln
  • Github
  • Twitter
  • Medium
All Rights Reserved 2023.
Proudly powered by WordPress | Theme: Fairy by Candid Themes.