build-push-to-gcr.sh

#!/usr/bin/env sh

# author: Gary A. Stafford
# site: https://programmaticponderings.com
# license: MIT License

IMAGE_REPOSITORY=<your_image_repo>
IMAGE_NAME=<your_image_name>
GCP_PROJECT=<your_project>
TAG=<your_image_tag>

# Build Spring Boot app
./gradlew clean build

# Build Docker file
docker build -f Docker/Dockerfile --no-cache -t ${IMAGE_REPOSITORY}/${IMAGE_NAME}:${TAG} .

# Push image to Docker Hub
docker push ${IMAGE_REPOSITORY}/${IMAGE_NAME}:${TAG}

# Push image to GCP Container Registry (GCR)
docker tag ${IMAGE_REPOSITORY}/${IMAGE_NAME}:${TAG} gcr.io/${GCP_PROJECT}/${IMAGE_NAME}:${TAG}
docker push gcr.io/${GCP_PROJECT}/${IMAGE_NAME}:${TAG}

# Re-deploy Workload (containerized app) to GKE
kubectl replace --force -f gke/${IMAGE_NAME}.yaml