{"id":19724010,"url":"https://github.com/vs4vijay/kubernetes-world","last_synced_at":"2026-04-07T16:32:35.731Z","repository":{"id":44322573,"uuid":"208234994","full_name":"vs4vijay/Kubernetes-World","owner":"vs4vijay","description":"Kubernetes Playground","archived":false,"fork":false,"pushed_at":"2026-02-15T18:43:39.000Z","size":1171,"stargazers_count":1,"open_issues_count":19,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2026-02-16T00:54:15.077Z","etag":null,"topics":["devops","docker","express","kubectl","kubernetes","nodejs"],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/vs4vijay.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null}},"created_at":"2019-09-13T09:35:49.000Z","updated_at":"2024-12-26T13:46:22.000Z","dependencies_parsed_at":"2024-04-14T23:49:58.957Z","dependency_job_id":null,"html_url":"https://github.com/vs4vijay/Kubernetes-World","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/vs4vijay/Kubernetes-World","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vs4vijay%2FKubernetes-World","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vs4vijay%2FKubernetes-World/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vs4vijay%2FKubernetes-World/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vs4vijay%2FKubernetes-World/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/vs4vijay","download_url":"https://codeload.github.com/vs4vijay/Kubernetes-World/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/vs4vijay%2FKubernetes-World/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31520534,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-07T16:28:08.000Z","status":"ssl_error","status_checked_at":"2026-04-07T16:28:06.951Z","response_time":105,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["devops","docker","express","kubectl","kubernetes","nodejs"],"created_at":"2024-11-11T23:24:13.732Z","updated_at":"2026-04-07T16:32:35.668Z","avatar_url":"https://github.com/vs4vijay.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Kubernetes World\n\nAn application to try out end-to-end Kubernetes flow and deployment, This includes Docker, NodeJS, Express, MySQL, Kubernetes.\n\n\n\n## Running\n\n### Run without Docker\n\n- `npm install`\n- `node app.js`\n- `nodemon app.js`\n\n### Run with Docker\n\n- `docker build -t kube-world .`\n- `docker run -p 9999:9999 kube-world`\n\n### Run with Kubernetes\n\n- `brew install kubernetes-cli`\n- `brew cask install minikube`\n- `minikube start`\n---\n\n\n\n## Push image to registry\n- `docker build -t vs4vijay/kube-world .`\n- `docker login`\n- `docker push vs4vijay/kube-world`\n---\n\n\n\n## Kubernetes Deployment\n\n```\nkubectl apply -f deploy/secret.yml\n\nkubectl create -f deploy/persistent-volume.yml\n\nkubectl create -f deploy/db-deployment.yml\nkubectl create -f deploy/db-service.yml\n\nkubectl create -f deploy/service.yml\nkubectl create -f deploy/deployment.yml\n\nkubectl get pods\n\nminikube ssh\n\nOR\n\nkubectl run kube-world --replicas=1 --labels=\"run=kube-world\" --image=vs4vijay/kube-world --port=9999\n\n\n```\n---\n\n\n\n## Screenshots\n\n![kubectl](screenshots/kubectl.png)\n\n![kubectl](screenshots/dashboard.png)\n\n![kubectl](screenshots/nodes.png)\n---\n\n\n\n## Create DB User\n\n```\nCREATE DATABASE viz_db;\n\nCREATE USER 'viz'@'%' IDENTIFIED WITH mysql_native_password BY '123456';\n\nGRANT ALL PRIVILEGES ON viz_db.* TO 'viz'@'%';\n\nFLUSH PRIVILEGES;\n```\n---\n\n\n\n## To Do\n\n- [x] Basic Node + Express + DB App\n- [x] Dockerize\n- [ ] Run as non-root user\n  - [ ] Multistage Build\n- [x] Kubernetes\n  - [x] Have MySQL\n  - [x] Configure App to connect to MySQL\n  - [x] Create Secrets to pick env. variables\n  - [ ] Make Kube-World App Dependent on MySQL\n- [ ] Deploy to Cloud\n- [ ] nginx\n- [ ] Code\n  - [ ] Connection Pooling\n  - [ ] Validation and Error Frameworks\n  - [ ] Enhance the code structure and decouple\n\n\n\n## Development Notes\n\n```\n\n\n app.use(bodyParser.json());\n app.use(bodyParser.urlencoded({ extended: true }));\n\n mysql.createPool({\n  connectionLimit : 10,\n  ...\n })\n\n  connection.release();\n\n\n  query.sql\n\n\n- npm ci --only=production\n\n\ndocker system prune -a\n\n\nhttps://expressjs.com/en/api.html#router.param\n\nbrew install bash-completion\n\n    source \u003c(kubectl completion bash)\n\n\n    docker pull mysql/mysql-server:latest\n\n    docker logs -- check logs for pwd\n\n    docker ps -a -q\n\n    COPY --from=0 /app .\n\n    NODE_ENV\n\n\n\nkubectl describe pod \u003cname\u003e\n\n\nlivenessProbe\n\nresources:\n      limits:\n        cpu: \"1\"\n      requests:\n        cpu: \"0.5\"\n\n\n        helm\n\nkubectl get secret\n\nkubectl describe secret kube-world-secrets\n\n\nPersistentVolumeClaim for DB\n\n\nkubectl port-forward app-mysql-3323704556-nce3w 3306:3306\n\n\nkubectl create ns wordpress-example\n\n\n\u003csvc\u003e.\u003cnamespace\u003e.svc.cluster.local\n\n\necho -n viz | base64\n\n\nkubectl scale deployment --replicas\nkubectl scale deployment \u003cname\u003e --replicas=0 -n service \n\nkubectl exec POD_NAME -c CONTAINER_NAME reboot\n\nkubectl exec -i [pod name] -c [container-name] -- kill -15 5\n\nkubectl get pv\n\nminikube service list\n\n\nAccess Service via DNS Name\n\nAccess Service via Load Balancer\n\nAccess Service from Host\n\nAccess Service from Cluster\n\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvs4vijay%2Fkubernetes-world","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fvs4vijay%2Fkubernetes-world","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvs4vijay%2Fkubernetes-world/lists"}