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node-3tier-app's Introduction

Node Three Tier Application

About

This repo contains code for a Node.js multi-tier application.

The application overview is as follows

web <=> api <=> db

The folders web and api respectively describe how to install and run each app.

Preperation

  • [ ] Dockerfile
  • [ ] Terraform codebase
  • [ ] gcloud automation
    • [ ] project creation
    • [ ] permission fixes
    • [ ] enable api
  • [ ] Automate gitlab ci variables
  • [ ] Instrumentation
    • [ ] prometheus

Technology Used

itemsremarks
GKEfree (300$ credits) and more mature than EKS
terraformeasier to build cluster from code, test it and nuke it later
Makefileeasier to prepare and streamline the demo
cloudsqlavoid dealing with persistent state onk8s cluster and other HA configuration
gitlab-cieasy and straight forward ci/cd also free for demo
CloudBuildto build the container images
stackdriverlog the error on application
Google CDNcaching the static resources
lokijust for tryout, its simple straight forward logging solution

CI Configs

variables

Since we use rely on env vars for ci/cd on .gitlab-ci.yml, set thes on Setting -> CI/CD on gitlab.

  • CERTIFICATE_AUTHORITY_DATA
  • SERVER
  • USER_TOKEN
  • GCLOUD_SERVICE_KEY

Code build

We are using google cloud codebuild, to do the setup,

  • create a service account for ci_builder on gcloud console. Needed permission are: container builder, storage reader and log viewer
  • generate/download a json key somewhere: like /tmp/key.json
  • use its base64 encode version on gitlab ci_cd variable: GCLOUD_SERVICE_KEY 
    base64 -w 0 /tmp/key.json

node-3tier-app's People

Contributors

thapakazi avatar namikplivcic avatar

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