catalyst-appsail
Catalyst AppSail — persistent backend PaaS with managed runtimes (Node.js, Java, Python) and custom Docker containers. Trigger on 'AppSail', 'persistent server', 'Docker on Catalyst', 'X_ZOHO_CATALYST_LISTEN_PORT', or 'long-running process on Catalyst'. Do NOT use for stateless request/response handlers, event-driven functions, or scheduled jobs — use catalyst-functions instead.
Works with
--- name: catalyst-appsail description: Catalyst AppSail — persistent backend PaaS with managed runtimes (Node.js, Java, Python) and custom Docker containers. Trigger on 'AppSail', 'persistent server', 'Docker on Catalyst', 'X_ZOHO_CATALYST_LISTEN_PORT', or 'long-running process on Catalyst'. Do NOT use for stateless request/response handlers, event-driven functions, or scheduled jobs — use catalyst-functions instead. license: Apache-2.0 --- ## How It Works 1. **Identify the runtime** — Managed runtime (Node.js, Java, Python) or custom Docker container. 2. **Load `references/appsail-basics.md`** — for PORT config, environment variables, Dockerfile requirements, and deploy commands. 3. **PORT rule** — Always use `process.env.X_ZOHO_CATALYST_LISTEN_PORT`, never hardcode `PORT` or `3000`. 4. **AppSail vs Functions decision** — If the user is unsure which to use, apply this matrix: | | Catalyst Functions | AppSail | |---|---|---| | Code structure | Catalyst-specific templates required | Any framework, any format, fully independent | | Use case | HTTP handlers, events, cron, Zoho integrations | Persistent servers, long-running processes, Docker | | Billing | Per API call | Per instance uptime | | Dependency management | Handled by Catalyst | You manage all libraries and frameworks | ## Triggers Use this skill for: "AppSail", "persistent server", "Docker on Catalyst", "backend hosting", `X_ZOHO_CATALYST_LISTEN_PORT`, `appsail:add`, "catalyst managed runtime", "deploy Express app", "AppSail vs Functions", "long-running process on Catalyst", or "containerized app on Catalyst". ## References | Reference | Load when the query is about… | |-----------|-------------------------------| | `references/appsail-basics.md` | Runtimes, project structure, app-config.json fields, Node.js/Docker templates, SDK version | | `references/appsail-deploy.md` | Deployment commands (Path A/B/C), env variables, health checks, AppSail URL pattern, configurations | | `references/appsail-crossorigin.md` | Slate + AppSail cross-origin errors, CORS setup via MCP, `catalyst_auth`, custom domain SSL |
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