Simple Golang based application managed by Terraform and Kubernetes.

Deployment contains Golang-app, Java, Prometheus and Postgresql and uses AWS ACM and Network Load Balancer.

Directories description:

app - Golang application opens a database connection, sleeps for a random time and exposes monitoring data (how many connections have been made since boot as app_processed_pg_connections metric) via a /metrics endpoint.

modules - Terraform modules.

Deployed application will be available as: https://domain/metrics and Prometheus: https://domain/monitoring where domain is variable from terraform.tfvars.

The Docker image can be rebuilt by (multi-stage building):

docker build --target builder -t alrf/go-web-app:latest . --network=host

docker build --target app -t alrf/go-web-app:latest . --network=host

docker push alrf/go-web-app:latest

How to deploy

AWS ACM and Network Load Balancer are used.

Replace CHANGE_ME in terraform.tfvars file to proper values.

terraform init

terraform apply -target=module.common

terraform apply

How to remove deployment

terraform destroy