diff --git a/README.md b/README.md new file mode 100644 index 0000000..6641bab --- /dev/null +++ b/README.md @@ -0,0 +1,85 @@ +# Simple Microservices Todo App + +This project consists of two separate microservices: a backend and a frontend. + +## Project Structure + +- `backend/`: Node.js Express API. +- `frontend/`: Node.js Express server serving static HTML. + +## How to Separate into Two Repositories + +If you want to host these on separate GitHub repositories: + +1. **Backend Repository**: + ```bash + cd backend + git init + git add . + git commit -m "Initial commit for backend" + # Create a new repo on GitHub and follow their instructions to push + ``` + +2. **Frontend Repository**: + ```bash + cd frontend + git init + git add . + git commit -m "Initial commit for frontend" + # Create a new repo on GitHub and follow their instructions to push + ``` + +## Local Development (Monorepo mode) + +To run both services together from this root directory: + +1. Install root dependencies: `npm install` +2. Install sub-service dependencies: `npm run install:all` +3. Start both: `npm start` + +### CI/CD with Jenkins, Harbor & Kubernetes + +The `Jenkinsfile` in each microservice is now fully integrated with Kubernetes: +1. **Build & Push**: Builds the Docker image and pushes it to **Harbor**. +2. **Dynamic Deployment**: Uses `sed` to inject the unique build image tag into the microservice-specific Kubernetes manifest. +3. **K8s Rollout**: Executes `kubectl apply` and waits for a successful rollout status. + +**Pipeline Configuration:** +- Ensure `kubectl` is installed and configured on your Jenkins agent. +- Update the `HARBOR_*` and `K8S_CREDENTIALS_ID` variables in each `Jenkinsfile`. +- Each microservice uses its own `k8s-deployment.yaml` file. + +## Kubernetes Deployment (Manual) + +Each microservice contains its own Kubernetes manifest for complete independence: +- `backend/k8s-deployment.yaml` +- `frontend/k8s-deployment.yaml` + +### 1. Update Manifests +- In `backend/k8s-deployment.yaml`, update the `image` field with your actual Harbor image path (or leave as `IMAGE_PATH_PLACEHOLDER` if using Jenkins). +- In `frontend/k8s-deployment.yaml`: + - Update the `image` field with your Harbor image path. + - Update the `BACKEND_URL` in the `ConfigMap` section to point to your backend service's accessible IP/URL (e.g., your Node IP and the 30001 NodePort). + +### 2. Deploy +Run the following commands: +```bash +kubectl apply -f backend/k8s-deployment.yaml +kubectl apply -f frontend/k8s-deployment.yaml +``` + +### 3. Verify +```bash +kubectl get pods +kubectl get services +``` +The services are configured as `NodePort`: +- **Frontend**: Port `30000` +- **Backend**: Port `30001` + +### Using Docker Compose + +Alternatively, run everything using Docker: +```bash +docker-compose up --build +``` diff --git a/docker-compose.yml b/docker-compose.yml new file mode 100644 index 0000000..2823f39 --- /dev/null +++ b/docker-compose.yml @@ -0,0 +1,19 @@ +version: '3.8' + +services: + backend: + build: ./backend + ports: + - "3001:3001" + environment: + - PORT=3001 + + frontend: + build: ./frontend + ports: + - "3000:3000" + environment: + - PORT=3000 + - BACKEND_URL=http://localhost:3001 + depends_on: + - backend diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..3f3e4d1 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,305 @@ +{ + "name": "simple-node-app", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "simple-node-app", + "version": "1.0.0", + "license": "ISC", + "devDependencies": { + "concurrently": "^9.2.1" + } + }, + "node_modules/ansi-regex": { + "version": "5.0.1", + "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz", + "integrity": "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==", + "dev": true, + "engines": { + "node": ">=8" + } + }, + "node_modules/ansi-styles": { + "version": "4.3.0", + "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz", + "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==", + "dev": true, + "dependencies": { + "color-convert": "^2.0.1" + }, + "engines": { + "node": ">=8" + }, + "funding": { + "url": "https://github.com/chalk/ansi-styles?sponsor=1" + } + }, + "node_modules/chalk": { + "version": "4.1.2", + "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz", + "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==", + "dev": true, + "dependencies": { + "ansi-styles": "^4.1.0", + "supports-color": "^7.1.0" + }, + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/chalk/chalk?sponsor=1" + } + }, + "node_modules/chalk/node_modules/supports-color": { + "version": "7.2.0", + "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz", + "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==", + "dev": true, + "dependencies": { + "has-flag": "^4.0.0" + }, + "engines": { + "node": ">=8" + } + }, + "node_modules/cliui": { + "version": "8.0.1", + "resolved": "https://registry.npmjs.org/cliui/-/cliui-8.0.1.tgz", + "integrity": "sha512-BSeNnyus75C4//NQ9gQt1/csTXyo/8Sb+afLAkzAptFuMsod9HFokGNudZpi/oQV73hnVK+sR+5PVRMd+Dr7YQ==", + "dev": true, + "dependencies": { + "string-width": "^4.2.0", + "strip-ansi": "^6.0.1", + "wrap-ansi": "^7.0.0" + }, + "engines": { + "node": ">=12" + } + }, + "node_modules/color-convert": { + "version": "2.0.1", + "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz", + "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==", + "dev": true, + "dependencies": { + "color-name": "~1.1.4" + }, + "engines": { + "node": ">=7.0.0" + } + }, + "node_modules/color-name": { + "version": "1.1.4", + "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz", + "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==", + "dev": true + }, + "node_modules/concurrently": { + "version": "9.2.1", + "resolved": "https://registry.npmjs.org/concurrently/-/concurrently-9.2.1.tgz", + "integrity": "sha512-fsfrO0MxV64Znoy8/l1vVIjjHa29SZyyqPgQBwhiDcaW8wJc2W3XWVOGx4M3oJBnv/zdUZIIp1gDeS98GzP8Ng==", + "dev": true, + "dependencies": { + "chalk": "4.1.2", + "rxjs": "7.8.2", + "shell-quote": "1.8.3", + "supports-color": "8.1.1", + "tree-kill": "1.2.2", + "yargs": "17.7.2" + }, + "bin": { + "conc": "dist/bin/concurrently.js", + "concurrently": "dist/bin/concurrently.js" + }, + "engines": { + "node": ">=18" + }, + "funding": { + "url": "https://github.com/open-cli-tools/concurrently?sponsor=1" + } + }, + "node_modules/emoji-regex": { + "version": "8.0.0", + "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz", + "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==", + "dev": true + }, + "node_modules/escalade": { + "version": "3.2.0", + "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.2.0.tgz", + "integrity": "sha512-WUj2qlxaQtO4g6Pq5c29GTcWGDyd8itL8zTlipgECz3JesAiiOKotd8JU6otB3PACgG6xkJUyVhboMS+bje/jA==", + "dev": true, + "engines": { + "node": ">=6" + } + }, + "node_modules/get-caller-file": { + "version": "2.0.5", + "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz", + "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==", + "dev": true, + "engines": { + "node": "6.* || 8.* || >= 10.*" + } + }, + "node_modules/has-flag": { + "version": "4.0.0", + "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz", + "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==", + "dev": true, + "engines": { + "node": ">=8" + } + }, + "node_modules/is-fullwidth-code-point": { + "version": "3.0.0", + "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz", + "integrity": "sha512-zymm5+u+sCsSWyD9qNaejV3DFvhCKclKdizYaJUuHA83RLjb7nSuGnddCHGv0hk+KY7BMAlsWeK4Ueg6EV6XQg==", + "dev": true, + "engines": { + "node": ">=8" + } + }, + "node_modules/require-directory": { + "version": "2.1.1", + "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz", + "integrity": "sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==", + "dev": true, + "engines": { + "node": ">=0.10.0" + } + }, + "node_modules/rxjs": { + "version": "7.8.2", + "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-7.8.2.tgz", + "integrity": "sha512-dhKf903U/PQZY6boNNtAGdWbG85WAbjT/1xYoZIC7FAY0yWapOBQVsVrDl58W86//e1VpMNBtRV4MaXfdMySFA==", + "dev": true, + "dependencies": { + "tslib": "^2.1.0" + } + }, + "node_modules/shell-quote": { + "version": "1.8.3", + "resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.8.3.tgz", + "integrity": "sha512-ObmnIF4hXNg1BqhnHmgbDETF8dLPCggZWBjkQfhZpbszZnYur5DUljTcCHii5LC3J5E0yeO/1LIMyH+UvHQgyw==", + "dev": true, + "engines": { + "node": ">= 0.4" + }, + "funding": { + "url": "https://github.com/sponsors/ljharb" + } + }, + "node_modules/string-width": { + "version": "4.2.3", + "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz", + "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==", + "dev": true, + "dependencies": { + "emoji-regex": "^8.0.0", + "is-fullwidth-code-point": "^3.0.0", + "strip-ansi": "^6.0.1" + }, + "engines": { + "node": ">=8" + } + }, + "node_modules/strip-ansi": { + "version": "6.0.1", + "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz", + "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==", + "dev": true, + "dependencies": { + "ansi-regex": "^5.0.1" + }, + "engines": { + "node": ">=8" + } + }, + "node_modules/supports-color": { + "version": "8.1.1", + "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-8.1.1.tgz", + "integrity": "sha512-MpUEN2OodtUzxvKQl72cUF7RQ5EiHsGvSsVG0ia9c5RbWGL2CI4C7EpPS8UTBIplnlzZiNuV56w+FuNxy3ty2Q==", + "dev": true, + "dependencies": { + "has-flag": "^4.0.0" + }, + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/chalk/supports-color?sponsor=1" + } + }, + "node_modules/tree-kill": { + "version": "1.2.2", + "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz", + "integrity": "sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==", + "dev": true, + "bin": { + "tree-kill": "cli.js" + } + }, + "node_modules/tslib": { + "version": "2.8.1", + "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz", + "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==", + "dev": true + }, + "node_modules/wrap-ansi": { + "version": "7.0.0", + "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz", + "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==", + "dev": true, + "dependencies": { + "ansi-styles": "^4.0.0", + "string-width": "^4.1.0", + "strip-ansi": "^6.0.0" + }, + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/chalk/wrap-ansi?sponsor=1" + } + }, + "node_modules/y18n": { + "version": "5.0.8", + "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz", + "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==", + "dev": true, + "engines": { + "node": ">=10" + } + }, + "node_modules/yargs": { + "version": "17.7.2", + "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz", + "integrity": "sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==", + "dev": true, + "dependencies": { + "cliui": "^8.0.1", + "escalade": "^3.1.1", + "get-caller-file": "^2.0.5", + "require-directory": "^2.1.1", + "string-width": "^4.2.3", + "y18n": "^5.0.5", + "yargs-parser": "^21.1.1" + }, + "engines": { + "node": ">=12" + } + }, + "node_modules/yargs-parser": { + "version": "21.1.1", + "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz", + "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==", + "dev": true, + "engines": { + "node": ">=12" + } + } + } +} diff --git a/package.json b/package.json new file mode 100644 index 0000000..3792234 --- /dev/null +++ b/package.json @@ -0,0 +1,19 @@ +{ + "name": "simple-node-app", + "version": "1.0.0", + "description": "", + "main": "index.js", + "scripts": { + "start:backend": "node backend/index.js", + "start:frontend": "node frontend/index.js", + "start": "concurrently \"npm run start:backend\" \"npm run start:frontend\"", + "install:all": "cd backend && npm install && cd ../frontend && npm install", + "test": "echo \"Error: no test specified\" && exit 1" + }, + "keywords": [], + "author": "", + "license": "ISC", + "devDependencies": { + "concurrently": "^9.2.1" + } +}