shinyay

Script for Spring Initilizr

$ curl -s https://gist.githubusercontent.com/shinyay/09eaf40b62fddd3a8d88ccadd3d4ba7d/raw/fbced50403b214e05f96414df512e635d5febc2f/initilizr.sh | bash && unzip template.zip && rm template.zip

shinyay

Spring Boot Layers Tool

$ java -Djarmode=layertools -jar my-app.jar list

$ java -Djarmode=layertools -jar my-app.jar extract

You can see the following directories:

shinyay

Dockerfile for Spring Boot

• Dockerfile for Gradle
• Dockerfile for Maven

shinyay

Spring Boot OCI Image using Clond Native Buildpacks

• Maven Plugin
• Gradle Plugin

Maven

$ mvn spring-boot:build-image -Dspring-boot.build-image.imageName=docker.io/library/${project.artifactId}:${project.version}:${project.version}

shinyay

Given-When-Then for Test

given-when-then is a commonly used style of specifying system behaviour in which your tests are split into three sections.

Given

Given is the section that lays out the pre-conditions for the test. ie whatever state you’re assuming the world to be in before you start.

When

When clause performs the action being tested.

shinyay

Install Zsh on Google Cloud Shell

main() {

  # Install zsh
  sudo apt-get -qq update 
  sudo apt-get -qq install zsh -y

  # Use colors, but only if connected to a terminal, and that terminal
  # supports them.

shinyay

Cloud Build with Artifact Registry

$ gcloud builds submit --tag us-central1-docker.pkg.dev/(gcloud config get-value project)/<REPO>/<IMAGE>:<TAG>

shinyay

Cloud Build with Buldpacks

Paketo Buildpack

$ gcloud builds submit \
    --pack builder=paketobuildpacks/builder:base,image=us-central1-docker.pkg.dev/(gcloud config get-value project)/shinyay-docker-repo/spring-app:0.0.1 .

shinyay

Lightweight Java Docker Image

• Debian
• Zule
• Alpine
• AdoptOpenJDK

Debian

# First stage: JDK 11 with modules required for Spring Boot
FROM debian:stretch-slim as packager

shinyay

Spring Application Properties with Evironment Variables

application.properties

app.prop=${APP_DATA:XXXXXXXX}

${ENV_VALUE:DEFAULT_VALUE}