create-perfect-template/template/config.ts

Create a modern Next.js SaaS template with progressive feature activation

// Service configuration with hierarchical dependencies
// CORE: Just Next.js - no auth, no db
// DATABASE: Requires auth (Clerk) + database (Convex)  
// BILLING: Optional add-on for monetization

const hasClerkKeys = !!(
  process.env.NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY &&
  process.env.CLERK_SECRET_KEY
);

const hasConvexKeys = !!(
  process.env.NEXT_PUBLIC_CONVEX_URL &&
  process.env.CONVEX_DEPLOY_KEY
);

const hasAutumnKeys = !!(
  process.env.NEXT_PUBLIC_AUTUMN_ORG_ID &&
  process.env.AUTUMN_API_KEY
);

const hasAIKeys = !!(
  process.env.AI_GATEWAY_API_KEY ||
  process.env.OPENAI_API_KEY ||
  process.env.ANTHROPIC_API_KEY
);

// If database is enabled, auth must be enabled too
const authEnabled = hasClerkKeys || hasConvexKeys;
const databaseEnabled = hasConvexKeys && authEnabled;

export const config = {
  mode: databaseEnabled ? 'full' : 'core' as 'core' | 'full',
  
  auth: {
    enabled: authEnabled,
    clerkPublishableKey: process.env.NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY,
    clerkSecretKey: process.env.CLERK_SECRET_KEY,
  },
  
  database: {
    enabled: databaseEnabled,
    convexUrl: process.env.NEXT_PUBLIC_CONVEX_URL,
    convexDeployKey: process.env.CONVEX_DEPLOY_KEY,
  },
  
  billing: {
    enabled: hasAutumnKeys && authEnabled, // Billing requires auth
    autumnOrgId: process.env.NEXT_PUBLIC_AUTUMN_ORG_ID,
    autumnApiKey: process.env.AUTUMN_API_KEY,
  },
  
  ai: {
    enabled: hasAIKeys,
    gatewayApiKey: process.env.AI_GATEWAY_API_KEY,
    openaiApiKey: process.env.OPENAI_API_KEY,
    anthropicApiKey: process.env.ANTHROPIC_API_KEY,
  },
};

export const isServiceEnabled = (service: keyof typeof config) => {
  if (service === 'mode') return true;
  return config[service].enabled;
};