btp-developer-guidelisted

# SAP BTP Developer Guide ## 1. Choose Runtime | Runtime | Best For | Languages | |---|---|---| | **Cloud Foundry** | CAP apps, microservices, stateless APIs | Node.js, Java, Python, Go | | **Kyma** | Event-driven, custom Docker stacks | Any container | | **ABAP Environment** | RAP Cloud extensions, Steampunk | ABAP (clean core) | | **SAP Build** | Citizen dev, low-code process automation | LCNC | ## 2. CAP Quick Start ```bash cds init my-project && cd cds-project cds add mta && cds add app --ui5 && cds add sample cds watch # http://localhost:4004 npx cds add xsuaa # authentication npx cds add hana # production DB mbt build # → mta_archives/*.mtar cf deploy mta_archives/*.mtar ``` ## 3. Integration Patterns | Pattern | BTP Service | Protocol | |---|---|---| | REST/OData Proxy | API Management | HTTP | | Async Events | Event Mesh | MQTT, CloudEvents | | B2B/EDI | TPM | AS2, OFTP2 | | File Transfer | CPI | SFTP | | Scheduled Jobs | Job Scheduling | Cron-triggered REST | ## 4. CI/CD Pipeline ```yaml # .pipeline/config.yml stages: - Build: mbt build - Test: cds test --coverage - Lint: eslint src/ && abaplint --format json - Deploy DEV: cf deploy mta_archives/*.mtar -f - Deploy PRD: manual approval → cf deploy mta_archives/*.mtar ``` ## 5. Monitoring | Service | What It Monitors | |---|---| | Cloud Logging | Centralized logs via OpenSearch + Kibana dashboards | | Alert Notification | Proactive alerts