Okuqukethwe  - Isingeniso: Kungani usebenzisa i-SAM ukufaka i-API?  - Okudingekayo: Faka i-SAM CLI  – Isinyathelo 1: Qalisa i-SAM  - Isinyathelo sesi-2: Chaza iphoyinti lokugcina le-API  - Isinyathelo sesi-3: Yakha futhi Uhlole endaweni  - Isinyathelo sesi-4: Sebenzisa i-API  - Isinyathelo sesi-5: I-CI / CD Ngezenzo ze-Github  – Isiphetho  Isingeniso: Kungani Usebenzisa i-SAM Ukuze Ukhiphe i-API?  Ukukhipha i-API kusetshenziswa i-AWS Serverless Application Model (SAM) kuyindlela ephumelelayo nengakalayo yezinhlelo zokusebenza ezisekelwe emafini.  Yenza ukuphathwa kwengqalasizinda kube lula, inikeza ukwesekwa okwakhelwe ngaphakathi kwe-SSL/TLS, futhi ihlanganisa ngaphandle komthungo nezinsizakalo ze-AWS ezifana ne-CloudFormation, i-Lambda, i-S3, i-Route 53, ne-CloudWatch.  Ngokusebenzisa imodeli engenasiphakeli, abathuthukisi bangagxila ekubhaleni i-logic yohlelo lokusebenza kuyilapho i-AWS iphatha ukukala, ukuphepha, nokugcinwa, ikwenze kube yisixazululo esifanelekile sama-API anamuhla, atholakala kakhulu.  Lesi sifundo sizokuqondisa isinyathelo ngesinyathelo sendlela yokudala i-API elula, uyisebenzise usebenzisa i-AWS CloudFormation nge-SAM CLI, bese uthumela ngokuzenzakalelayo usebenzisa Izenzo ze-GitHub.  Nawu umdwebo onemininingwane eminingi yalokhu kuhamba komsebenzi:   Okudingekayo  I-AWS CLI ne-SAM CLI ifakiwe.   I-Node.js ifakiwe    yokuhlolwa kwendawo. I-Docker  I-akhawunti   . ye-GitHub  Okudingekayo: Faka i-SAM CLI  Ngaphambi kokuthi ungene esifundweni, qinisekisa ukuthi i-AWS SAM CLI ifakiwe emshinini wakho. Ngezansi izinyathelo zokufaka ze-macOS neWindows:  Okwe-macOS    (uma ingafakiwe): Faka i-Homebrew   /bin/bash -c “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"    : Engeza umpompi we-AWS bese ufaka i-SAM CLI   brew tap aws/tapbrew install aws-sam-cli  Qinisekisa ukufakwa nge  sam --version  OkweWindows    : Landa isifaki se-SAM CLI  Iya   bese ulanda isifaki seWindows sakamuva. ekhasini elisemthethweni le-AWS SAM CLI    : Qalisa isifaki  Chofoza kabili ifayela   elilandiwe bese ulandela iwizadi yokufaka. .exe    (uma kungengezwe ngokuzenzakalelayo): Engeza i-SAM CLI ku-PATH  Vula imenyu yokuqala bese usesha “Okuguquguqukayo Kwemvelo.”  Chofoza okuthi “Hlela okuguquguqukayo kwemvelo yesistimu.”  Ngaphansi kokuthi “Izakhiwo Zesistimu,” chofoza inkinobho ethi “Okuguquguqukayo Kwendawo”.  Kokuthi “Okuguquguqukayo Kwesistimu,” thola   bese uchofoza okuthi "Hlela." Path  Engeza uhla lwemibhalo lapho kwafakwa khona i-SAM CLI (isb,   ). C:\Program Files\Amazon\AWS SAM CLI\bin    : Vula umyalo bese ugijima  Qinisekisa ukufakwa sam --version  Isinyathelo 1: Qalisa i-SAM CLI     Dala indawo yokugcina entsha emshinini wakho: mkdir aws-serverless-api     Zulazulela kuhla lwemibhalo: cd aws-serverless-api      bese uzocelwa ngezinketho ezimbalwa. Nakhu ukusethwa kwami: Qalisa uhlelo olusha lwe-SAM: sam init  Khetha  "1 - Izifanekiso Zokuqala Ezisheshayo ze-AWS."  Khetha okuthi   ukuze usebenzise i-Lambda-backed serverless API ku-API Gateway.” “7 — Serverless API”  Khetha okuthi  “Node.js 20.x”  Khetha   noma Cha ukuze uthole umkhondo we-X-Ray njengoba sifuna ukwehlisa izindleko zethu, futhi lesi isibonelo esilula se-Hello World. Uma wenza i-API eyinkimbinkimbi edonsa kumasevisi ahlukene, ungase ufune ukunika amandla lokho ukuze usize ekususeni iphutha. u-“N”  Futhi ngikhetha okuthi   kokuqapha kwe-cloudwatch njengoba singazidingi izibalo zokusebenza kwalesi sibonelo se-Hello World. “N”  Futhi   yefomethi ye-json kulogi ye-lambda njengoba lesi isibonelo nje se-Hello World. “N”  Manje, ake sifake i-cd kuhla lwemibhalo olukhiqizwe yi-   ; Ngikhethe ukuqamba iphrojekthi yami ngokuthi   ngakho-ke asihambe: sam init sam-hello-world   cd sam-hello-world  Bese uvula iphrojekthi kukhodi   - uma uvula iphrojekthi ku-VSCode noma i-IDE oyikhonzile, kufanele usuvele ubone inqwaba yamafayela akhiqiziwe. code .  Ukuqonda Amafayela Akhiqiziwe  Nakhu okwenziwa yifayela ngalinye elikhiqizwe ku   : sam init    - Ichaza i-API Gateway yakho, i-Lambda, nezinye izinsiza ze-AWS. **template.yaml**    – Iqukethe izibambi zesampula ze-Lambda. **src/handlers/**    - Izehlakalo zokuhlola eziyisampula zokuhlolwa kwendawo. **events/**    – Ilawula ukuncika kwemisebenzi ye-Node.js Lambda. **package.json**        - Amafayela okusetha ajwayelekile ephrojekthi. **.gitignore** , **README.md**  Sizoshintsha   . futhi sisuse amanye alawa mafayela ukuze alingane ne-API yethu elula kakhulu ethi "hello world"  Isinyathelo sesi-2: Chaza iphoyinti lokugcina le-API  Manje, vula   bese ubuyisela izincazelo ezikhona ze-Lambda ngokulandelayo: template.yaml   AWSTemplateFormatVersion: "2010-09-09" Transform: AWS::Serverless-2016-10-31 Description: AWS SAM template for deploying Node.js/Express API to Lambda Resources: HelloWorldFunction: Type: AWS::Serverless::Function Properties: Handler: src/app.lambdaHandler Runtime: nodejs20.x Events: HelloWorld: Type: Api Properties: Path: / Method: GET  Lokhu kuchaza umzila owodwa kumsuka we-API yethu oyisicelo se-GET  Buyekeza Umsebenzi we-Lambda  Kuhla lwemibhalo   , masidale ifayela elibizwa ngokuthi  /src app.js  Ku   , asibhale umsebenzi ukuze sikhiphe sawubona umhlaba emzileni wethu: src/app.js   exports.lambdaHandler = async (event) => { return { statusCode: 200, body: JSON.stringify({ message: "Hello, World!" }) }; };  Susa Amafayela Angadingekile  Manje, ake sisuse izibambi ezengeziwe nemicimbi ekhiqizwe yi-   esinyathelweni 1. sam init  Vula i-terminal kumkhombandlela wephrojekthi bese   : ukhipha le miyalo   rm -rf src/handlers/get-all-items.mjs src/handlers/get-by-id.mjs src/handlers/put-item.mjs   rm -rf events/  Isinyathelo sesi-3: Yakha futhi Uhlole endaweni  Vula i-terminal kumkhombandlela wephrojekthi bese ulandela lezi zinyathelo ezingezansi:    : Yakha uhlelo lokusebenza    kufanele ubone okukhiphayo okufana nalokhu:  sam build    : Qala iseva yendawo ye-API    — Qaphela uzodinga ukuthi ufake   ukuze usebenzise lokhu endaweni. Uma uphumelele, kufanele ubone isiqukathi esidalelwe i-API yethu kudeskithophu yedokhu. sam local start-api idocker  Vula isiphequluli noma usebenzise   kutheminali ukuze uhlole iphoyinti lokugcina: curl     curl [http://127.0.0.1:3000/](http://127.0.0.1:3000/)  Uma ubona i-JSON ibuyile endaweni yethu yokugcina, lapho-ke usuqalise ngempumelelo i-API endaweni! 🚀  Isinyathelo sesi-4: Sebenzisa i-API    : Manje njengoba sesiqinisekisile ukuthi i-API yethu iyasebenza endaweni, masiyisebenzise ku-AWS sisebenzisa Phakamisa futhi usebenzise i-API usebenzisa i-SAM   sam deploy --guided   Lokhu kuthunyelwa okuqondisiwe kuzokuvumela ukuthi:  1. Khetha igama lakho lesitaki; owami ngu  sam-hello-world  2. Khetha Isifunda se-AWS; eyami ithi  us-east-1  3. Qinisekisa izinguquko ngaphambi kokuthunyelwa; Ngakhetha  Y  4. Vumela Ukudalwa Kwendima Ye-SAM-CLI,  Y  5. Khubaza i-Rollback, khetha okuthi   sifuna ithuluzi lokuhlanza noma yiziphi izinsiza ezihlulekile N  6. I-HelloWorldFunction ayinakho ukuqinisekiswa; kulungile lokhu? Ngenhloso yalesi sifundo  Y  7. Londoloza izimpikiswano efayelini lokumisa elingu  Y  8. Ifayela lokumisa i  samconfig.toml  9. Imvelo yokucushwa kwe-SAM — shiya lokhu njengokumisiwe  Uma ukuthunyelwa kwakho kuphumelele, kufanele ubone izinsiza ezidalwe ngempumelelo ngale ndlela:   Uma ukuthunyelwa kuphumelela,   bese usesha isevisi ye-API Gateway. Iya kuzilungiselelo ze-API, kopisha isizinda sakho sinamathisele kokokufaka kwe-URL ewindini lesiphequluli sakho, bese wengeza `/Prod` ekugcineni kwe-URL yakho ukuze ufinyelele ekugcineni kwe-API yakho esetshenzisiwe.  ngena ngemvume ku-akhawunti yakho ye-AWS  I-URL yami ibukeka kanje:   Ungaphinda useshe i-Lambda kukhonsoli ye-AWS ukuze ubuke umsebenzi wakho we-Lambda ongasebenzi, lapho kuhlala khona ikhodi esiyibhalele lesi siphetho.   Kufanele futhi ubone ibhakede le-S3 elakhiwe, eliphethe inqwaba yekhodi yethu. Manje njengoba sesikhiphe ngempumelelo i-API yethu, masiguqule le nqubo ngokuzenzakalelayo nge-GitHub ukuze noma nini lapho sifuna ukuthuthukisa i-API yethu, ukuthunyelwa kungaqala ngokuzenzakalelayo ngokuzibophezela egatsheni le-MAIN noma le-MASTER.  Isinyathelo sesi-5: I-CI/CD Ngezenzo ze-Github  Qalisa i-Git Repo Yakho bese Uphushela Egatsheni Lakho Eliyinhloko  Okokuqala, sizoqalisa inqolobane ye-git kunkomba yephrojekthi yethu nge   Bese, ake sengeze lawa mafayela ku   yethu njengoba singafuni ukuwenza. git init .gitignore   echo "node_modules/\n.aws-sam/\nsamconfig.toml" >> .gitignore  Manje, siphephile ukufaka kusiteji wonke amafayela kuphrojekthi:   bese senza isivumelwano sethu sokuqala: git add .   git commit -m "Initial commit - AWS SAM API setup"  Lesi sinyathelo esilandelayo sithatha ukuthi une-GitHub CLI efakiwe - Lesi sinyathelo ukuze sikwazi ukudala i-repo ye-GitHub kusuka kumkhombandlela wethu wamanje:   gh repo create aws-sam-cli-tutorial --public --source=. --remote=origin  Uma ungenayo i-GitHub CLI, ungakha i-repo ngesandla ku-GitHub bese ukhomba uhla lwemibhalo ku-repo yakho ngalo myalo:   git remote add origin https://github.com/YOUR_USERNAME/YOUR_REPO_NAME.git  Ekugcineni, masiphushele ikhodi yethu ku-GitHub  git push -u origin master  Setha Izenzo ze-GitHub ze-CI/CD  Masidale ifayela lokuhamba komsebenzi le-GitHub:   mkdir -p .github/workflows   touch .github/workflows/deploy.yml  Vula lelo fayela le   ku-vscode bese unamathisela ukulungiselelwa okulandelayo kwe-yaml: deploy.yml   name: Deploy API to AWS CloudFormation on: push: branches: - master jobs: deploy: runs-on: ubuntu-latest steps: - name: Checkout Code uses: actions/checkout@v3 - name: Install AWS SAM CLI uses: aws-actions/setup-sam@v2 - name: Configure AWS CLI uses: aws-actions/configure-aws-credentials@v2 with: aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }} aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }} aws-region: us-east-1 - name: Build and Deploy API run: | sam build sam deploy \ --stack-name sam-hello-world \ --s3-bucket ${{ secrets.AWS_S3_BUCKET }} \ --capabilities CAPABILITY_IAM \ --region ${{ secrets.AWS_REGION }} \ --no-confirm-changeset \ --no-fail-on-empty-changeset  Kuleli fayela le-.yaml ukuze lisetshenziswe ngokuzenzakalelayo, sithembele kumakhosombe e-AWS-Actions avela ku-GitHub:   ukuze kufakwe i-SAM CLI futhi silungise imininingwane yethu — lezi zindawo zokugcina ze-AWS zingashintsha eminyakeni embalwa, ngakho-ke buyekeza njengoba kudingeka. https://github.com/orgs/aws-actions/repositories  Manje, asiye ku-github.com — iya kumakhosombe akho, chofoza inqolobane esiyenzele le phrojekthi, hamba kuzilungiselelo, izenzo, futhi uzobona lesi sikrini ukuze wengeze indawo kanye nezimfihlo zokugcina.    Sizofuna ukwengeza izimfihlo ze-Repository ze:   AWS_ACCESS_KEY_ID   AWS_SECRET_ACCESS_KEY   AWS_REGION   AWS_S3_BUCKET  Ukuze uthole lawa manani, hamba kukhonsoli yakho ye-AWS. Ku   uzofuna ukusebenzisa isifunda esifanayo osisebenzise emshinini wangakini. Uma ungaqiniseki ngesifunda, sesha i-cloudformation futhi uthole isitaki osidalile, chofoza kuso, futhi kufanele ubone isifunda ku-URL.  -AWS_REGION,  Mayelana ne   sesha i-S3 kukhonsoli ye-AWS bese ukhetha ibhakede eladalwa ngesikhathi silikhipha emshinini wethu Esinyathelweni sesi-4. Sebenzisa i-ID yaleli bhakede ngevelu yakho; eyami iboniswa kusithombe-skrini esingezansi.  -AWS_S3_BUCKET,  Nge-   ne   hamba kusevisi ye-IAM kukhonsoli ye-AWS:  AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY,  Kusukela lapha, dala umsebenzisi we-IAM uma ungakabi nayo enokufinyelela ofuna ukukusebenzisa, futhi wengeze okungenani lezi zikophu zemvume kumsebenzisi:         AWSLambdaFullAccess IAMFullAccess AmazonS3FullAccess CloudFormationFullAccess AmazonAPIGatewayAdministrator  Ungakwazi futhi ukwengeza   uma ukhululekile ngalokho. Ngemuva kwalokho, sizofuna ukudala ukhiye wokufinyelela kanye nemfihlo yalo msebenzisi. Khetha i-CLI njengendawo yokusebenzisa ukhiye wokufinyelela. Qiniseka ukuthi ukopisha imfihlo yakho ngoba ngeke ukwazi ukuyibona futhi. i-AdministratorAccess  Manje, buyela ku-GitHub bese wengeza izimfihlo zakho zenqolobane:   Kulungile, isinyathelo sokugcina ukuhlola ukuthi yonke into iyasebenza! Buyekeza i-app.js yakho ukuze usho okunye; Ngashintsha eyami yaba yi-"What up, World!"   exports.lambdaHandler = async (event) => { return { statusCode: 200, body: JSON.stringify({ message: "What up, World!" }), }; };  Bese, cindezela izinguquko zakho egatsheni lakho eliyinhloko.       - qiniseka ukuthi usegatsheni eliyinhloko lapho uphusha. git add . git commit -m 'updated message' git push  Ku-repo yakho ye-GitHub, kufanele ubone isenzo sisebenza futhi usebenzise ngempumelelo:   Ekugcineni, buyela emuva kusiphequluli sakho sewebhu bese unamathisele i-URL esuka ku-API Gateway esiyimisile. Eyami ithi:   — futhi uqinisekise ukuthi umlayezo ushintshiwe.  https://tt40c6vgm3.execute-api.us-east-1.amazonaws.com/Prod  Isiphetho  Siyakuhalalisela! Usanda kwakha ipayipi lokuthumela le-CI/CD le-AWS Stack engenasiphakeli; manje, ungaba matasa ngokwakha i-API yakho ngamasevisi awusizo. Ngazise uma lesi sihloko besiwusizo noma unemibuzo noma iziphakamiso zokuthuthukisa!

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