feat: update backend services and routes

- Add business routes and middleware\n- Update search and database services\n- Improve health check implementation\n- Update CI workflow configuration

src/config/env.ts

@@ -1,89 +1,40 @@
-import { config } from 'dotenv';
-import { z } from 'zod';
+import dotenv from 'dotenv';
 
-config();
+// Load environment variables
+dotenv.config();
 
-// Define the environment schema
-const envSchema = z.object({
-  PORT: z.string().default('3000'),
-  NODE_ENV: z.string().default('development'),
-  SUPABASE_URL: z.string(),
-  SUPABASE_KEY: z.string(),
-  OLLAMA_URL: z.string().default('http://localhost:11434'),
-  OLLAMA_MODEL: z.string().default('llama2'),
-  SEARXNG_URL: z.string().default('http://localhost:4000'),
-  SEARXNG_INSTANCES: z.string().default('["http://localhost:4000"]'),
-  MAX_RESULTS_PER_QUERY: z.string().default('50'),
-  CACHE_DURATION_HOURS: z.string().default('24'),
-  CACHE_DURATION_DAYS: z.string().default('7'),
-  HUGGING_FACE_API_KEY: z.string({
-    required_error: "HUGGING_FACE_API_KEY is required in .env"
-  })
-});
+// Environment configuration
+const env = {
+    // Supabase Configuration
+    SUPABASE_URL: process.env.SUPABASE_URL || '',
+    SUPABASE_KEY: process.env.SUPABASE_KEY || '',
 
-// Define the final environment type
-export interface EnvConfig {
-  PORT: string;
-  NODE_ENV: string;
-  searxng: {
-    currentUrl: string;
-    instances: string[];
-  };
-  ollama: {
-    url: string;
-    model: string;
-  };
-  supabase: {
-    url: string;
-    anonKey: string;
-  };
-  cache: {
-    maxResultsPerQuery: number;
-    durationHours: number;
-    durationDays: number;
-  };
-  ai: {
-    model: string;
-    temperature: number;
-    maxTokens: number;
-    batchSize: number;
-  };
-  huggingface: {
-    apiKey: string;
-  };
+    // Server Configuration
+    PORT: parseInt(process.env.PORT || '3001', 10),
+    NODE_ENV: process.env.NODE_ENV || 'development',
+
+    // Search Configuration
+    MAX_RESULTS_PER_QUERY: parseInt(process.env.MAX_RESULTS_PER_QUERY || '50', 10),
+    CACHE_DURATION_HOURS: parseInt(process.env.CACHE_DURATION_HOURS || '24', 10),
+    CACHE_DURATION_DAYS: parseInt(process.env.CACHE_DURATION_DAYS || '7', 10),
+
+    // SearxNG Configuration
+    SEARXNG_URL: process.env.SEARXNG_URL || 'http://localhost:4000',
+
+    // Ollama Configuration
+    OLLAMA_URL: process.env.OLLAMA_URL || 'http://localhost:11434',
+    OLLAMA_MODEL: process.env.OLLAMA_MODEL || 'deepseek-coder:6.7b',
+
+    // Hugging Face Configuration
+    HUGGING_FACE_API_KEY: process.env.HUGGING_FACE_API_KEY || ''
+};
+
+// Validate required environment variables
+const requiredEnvVars = ['SUPABASE_URL', 'SUPABASE_KEY', 'SEARXNG_URL'];
+for (const envVar of requiredEnvVars) {
+    if (!env[envVar as keyof typeof env]) {
+        throw new Error(`Missing required environment variable: ${envVar}`);
+    }
 }
 
-// Parse and transform the environment variables
-const rawEnv = envSchema.parse(process.env);
-
-// Create the final environment object with parsed configurations
-export const env: EnvConfig = {
-  PORT: rawEnv.PORT,
-  NODE_ENV: rawEnv.NODE_ENV,
-  searxng: {
-    currentUrl: rawEnv.SEARXNG_URL,
-    instances: JSON.parse(rawEnv.SEARXNG_INSTANCES)
-  },
-  ollama: {
-    url: rawEnv.OLLAMA_URL,
-    model: rawEnv.OLLAMA_MODEL
-  },
-  supabase: {
-    url: rawEnv.SUPABASE_URL,
-    anonKey: rawEnv.SUPABASE_KEY
-  },
-  cache: {
-    maxResultsPerQuery: parseInt(rawEnv.MAX_RESULTS_PER_QUERY),
-    durationHours: parseInt(rawEnv.CACHE_DURATION_HOURS),
-    durationDays: parseInt(rawEnv.CACHE_DURATION_DAYS)
-  },
-  ai: {
-    model: 'deepseek-ai/deepseek-coder-6.7b-instruct',
-    temperature: 0.7,
-    maxTokens: 512,
-    batchSize: 3
-  },
-  huggingface: {
-    apiKey: rawEnv.HUGGING_FACE_API_KEY
-  }
-}; 
+export { env };