InterviewExplainer

1

JVM Memory in Docker: -Xmx vs Container Limits and OOMKilled

Medium 8m

2

Debugging Spring Boot in Docker: Logs, Exec, and Remote Debug

Medium 8m

3

Container Resource Limits for JVM Apps: CPU and Memory Configuration

Medium 8m

4

Multi-Stage Dockerfile for Spring Boot: Smaller, Faster Images

Medium 8m

5

Docker Layer Caching: How It Works and Optimization Tips

Medium 8m

6

Docker Networking: Bridge vs Host vs Overlay

Medium 8m

7

Running Non-Root User in Docker: Security Best Practice for Java

Medium 8m

8

Docker Image Security: Scanning and Best Practices for Java

Medium 8m

9

Docker Secrets vs Environment Variables for Sensitive Config

Medium 8m

10

Docker vs Podman vs containerd: Container Runtimes Compared

Medium 8m

11

Docker Build vs Buildah vs Kaniko: Image Builders Compared

Medium 8m

12

Diagnosing OOMKilled in Spring Boot Container: Step-by-Step

Medium 8m

13

Docker Hub Rate Limits in CI: Mirror, Cache, and Auth Strategy

Medium 8m

Beginner

Docker Fundamentals

Docker Volumes: Named Volumes vs Bind Mounts

Docker Health Checks for Spring Boot with Actuator

Docker Compose for Local Spring Boot + PostgreSQL + Redis Dev

Containers vs VMs: Architecture, Performance, and When to Use Each

Container-to-Host Networking: Debugging localhost from Inside a Container

Intermediate

JVM Memory in Docker: -Xmx vs Container Limits and OOMKilled

Debugging Spring Boot in Docker: Logs, Exec, and Remote Debug

Container Resource Limits for JVM Apps: CPU and Memory Configuration

Multi-Stage Dockerfile for Spring Boot: Smaller, Faster Images

Docker Layer Caching: How It Works and Optimization Tips

Docker Networking: Bridge vs Host vs Overlay

Running Non-Root User in Docker: Security Best Practice for Java

Docker Image Security: Scanning and Best Practices for Java

Docker Secrets vs Environment Variables for Sensitive Config

Docker vs Podman vs containerd: Container Runtimes Compared

Docker Build vs Buildah vs Kaniko: Image Builders Compared

Diagnosing OOMKilled in Spring Boot Container: Step-by-Step

Docker Hub Rate Limits in CI: Mirror, Cache, and Auth Strategy

See Docker in context

Beginner

Docker Fundamentals

Docker Volumes: Named Volumes vs Bind Mounts

Docker Health Checks for Spring Boot with Actuator

Docker Compose for Local Spring Boot + PostgreSQL + Redis Dev

Containers vs VMs: Architecture, Performance, and When to Use Each

Container-to-Host Networking: Debugging localhost from Inside a Container

Intermediate

JVM Memory in Docker: -Xmx vs Container Limits and OOMKilled

Debugging Spring Boot in Docker: Logs, Exec, and Remote Debug

Container Resource Limits for JVM Apps: CPU and Memory Configuration

Multi-Stage Dockerfile for Spring Boot: Smaller, Faster Images

Docker Layer Caching: How It Works and Optimization Tips

Docker Networking: Bridge vs Host vs Overlay

Running Non-Root User in Docker: Security Best Practice for Java

Docker Image Security: Scanning and Best Practices for Java

Docker Secrets vs Environment Variables for Sensitive Config

Docker vs Podman vs containerd: Container Runtimes Compared

Docker Build vs Buildah vs Kaniko: Image Builders Compared

Diagnosing OOMKilled in Spring Boot Container: Step-by-Step

Docker Hub Rate Limits in CI: Mirror, Cache, and Auth Strategy

See Docker in context