@catalystbyzoho/catalyst-appsail

@catalystbyzoho/catalyst-appsail — AI coding skill

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SKILL.md
namecatalyst-appsail
descriptionCatalyst 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.
compatibilityRequires Catalyst CLI (`npm install -g zcatalyst-cli`). Custom Docker deployments additionally require Docker Desktop.

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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