chore(env): update logging configuration in .env.example and add new dependencies in package-lock.json

.env.example

@@ -38,4 +38,7 @@ NEXTAUTH_SECRET="your-super-secret-key-change-in-production"
 # OPENAI_EMBEDDING_MODEL=text-embedding-3-small  # Optional: embedding model for AI search
 # OPENAI_GENERATIVE_MODEL=gpt-4o-mini  # Optional: generative model for AI generation
 
-# GOOGLE_ANALYTICS_ID="G-XXXXXXXXX"
+# GOOGLE_ANALYTICS_ID="G-XXXXXXXXX"
+
+# Logging (optional)
+# LOG_LEVEL="info"  # Options: trace, debug, info, warn, error, fatal

package-lock.json

@@ -42,6 +42,7 @@
         "next-intl": "^4.5.8",
         "next-themes": "^0.4.6",
         "openai": "^6.10.0",
+        "pino": "^10.1.0",
         "react": "19.2.0",
         "react-dom": "19.2.0",
         "react-hook-form": "^7.68.0",
@@ -3162,6 +3163,12 @@
         "node": ">=0.10"
       }
     },
+    "node_modules/@pinojs/redact": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/@pinojs/redact/-/redact-0.4.0.tgz",
+      "integrity": "sha512-k2ENnmBugE/rzQfEcdWHcCY+/FM3VLzH9cYEsbdsoqrvzAKRhUZeRNhAZvB8OitQJ1TBed3yqWtdjzS6wJKBwg==",
+      "license": "MIT"
+    },
     "node_modules/@prisma/client": {
       "version": "6.19.1",
       "resolved": "https://registry.npmjs.org/@prisma/client/-/client-6.19.1.tgz",
@@ -6702,6 +6709,15 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/atomic-sleep": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
+      "integrity": "sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/available-typed-arrays": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/available-typed-arrays/-/available-typed-arrays-1.0.7.tgz",
@@ -11775,6 +11791,15 @@
       "devOptional": true,
       "license": "MIT"
     },
+    "node_modules/on-exit-leak-free": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/on-exit-leak-free/-/on-exit-leak-free-2.1.2.tgz",
+      "integrity": "sha512-0eJJY6hXLGf1udHwfNftBqH+g73EU4B504nZeKpz1sYRKafAghwxEJunB2O7rDZkL4PGfsMVnTXZ2EjibbqcsA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
     "node_modules/on-finished": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
@@ -12000,6 +12025,43 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/pino": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/pino/-/pino-10.1.0.tgz",
+      "integrity": "sha512-0zZC2ygfdqvqK8zJIr1e+wT1T/L+LF6qvqvbzEQ6tiMAoTqEVK9a1K3YRu8HEUvGEvNqZyPJTtb2sNIoTkB83w==",
+      "license": "MIT",
+      "dependencies": {
+        "@pinojs/redact": "^0.4.0",
+        "atomic-sleep": "^1.0.0",
+        "on-exit-leak-free": "^2.1.0",
+        "pino-abstract-transport": "^2.0.0",
+        "pino-std-serializers": "^7.0.0",
+        "process-warning": "^5.0.0",
+        "quick-format-unescaped": "^4.0.3",
+        "real-require": "^0.2.0",
+        "safe-stable-stringify": "^2.3.1",
+        "sonic-boom": "^4.0.1",
+        "thread-stream": "^3.0.0"
+      },
+      "bin": {
+        "pino": "bin.js"
+      }
+    },
+    "node_modules/pino-abstract-transport": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pino-abstract-transport/-/pino-abstract-transport-2.0.0.tgz",
+      "integrity": "sha512-F63x5tizV6WCh4R6RHyi2Ml+M70DNRXt/+HANowMflpgGFMAym/VKm6G7ZOQRjqN7XbGxK1Lg9t6ZrtzOaivMw==",
+      "license": "MIT",
+      "dependencies": {
+        "split2": "^4.0.0"
+      }
+    },
+    "node_modules/pino-std-serializers": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/pino-std-serializers/-/pino-std-serializers-7.0.0.tgz",
+      "integrity": "sha512-e906FRY0+tV27iq4juKzSYPbUj2do2X2JX4EzSca1631EB2QJQUqGbDuERal7LCtOpxl6x3+nvo9NPZcmjkiFA==",
+      "license": "MIT"
+    },
     "node_modules/pkce-challenge": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/pkce-challenge/-/pkce-challenge-5.0.1.tgz",
@@ -12121,6 +12183,22 @@
         }
       }
     },
+    "node_modules/process-warning": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/process-warning/-/process-warning-5.0.0.tgz",
+      "integrity": "sha512-a39t9ApHNx2L4+HBnQKqxxHNs1r7KF+Intd8Q/g1bUh6q0WIp9voPXJ/x0j+ZL45KF1pJd9+q2jLIRMfvEshkA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fastify"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fastify"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/prop-types": {
       "version": "15.8.1",
       "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.8.1.tgz",
@@ -12219,6 +12297,12 @@
       ],
       "license": "MIT"
     },
+    "node_modules/quick-format-unescaped": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/quick-format-unescaped/-/quick-format-unescaped-4.0.4.tgz",
+      "integrity": "sha512-tYC1Q1hgyRuHgloV/YXs2w15unPVh8qfu/qCTfhTYamaw7fyhumKa2yGpdSo87vY32rIclj+4fWYQXUMs9EHvg==",
+      "license": "MIT"
+    },
     "node_modules/range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -12408,6 +12492,15 @@
         "url": "https://paulmillr.com/funding/"
       }
     },
+    "node_modules/real-require": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/real-require/-/real-require-0.2.0.tgz",
+      "integrity": "sha512-57frrGM/OCTLqLOAh0mhVA9VBMHd+9U7Zb2THMGdBUoZVOtGbJzjxsYGDJ3A9AYYCP4hn6y1TVbaOfzWtm5GFg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 12.13.0"
+      }
+    },
     "node_modules/reflect.getprototypeof": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/reflect.getprototypeof/-/reflect.getprototypeof-1.0.10.tgz",
@@ -12641,6 +12734,15 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/safe-stable-stringify": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/safe-stable-stringify/-/safe-stable-stringify-2.5.0.tgz",
+      "integrity": "sha512-b3rppTKm9T+PsVCBEOUR46GWI7fdOs00VKZ1+9c1EWDaDMvjQc6tUwuFyIprgGgTcWoVHSKrU8H31ZHA2e0RHA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -12916,6 +13018,15 @@
         "is-arrayish": "^0.3.1"
       }
     },
+    "node_modules/sonic-boom": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-4.2.0.tgz",
+      "integrity": "sha512-INb7TM37/mAcsGmc9hyyI6+QR3rR1zVRu36B0NeGXKnOOLiZOfER5SA+N7X7k3yUYRzLWafduTDvJAfDswwEww==",
+      "license": "MIT",
+      "dependencies": {
+        "atomic-sleep": "^1.0.0"
+      }
+    },
     "node_modules/sonner": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/sonner/-/sonner-2.0.7.tgz",
@@ -12945,6 +13056,15 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/split2": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
+      "integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
+      "license": "ISC",
+      "engines": {
+        "node": ">= 10.x"
+      }
+    },
     "node_modules/stable-hash": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stable-hash/-/stable-hash-0.0.5.tgz",
@@ -13241,6 +13361,15 @@
         "url": "https://opencollective.com/webpack"
       }
     },
+    "node_modules/thread-stream": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/thread-stream/-/thread-stream-3.1.0.tgz",
+      "integrity": "sha512-OqyPZ9u96VohAyMfJykzmivOrY2wfMSf3C5TtFJVgN+Hm6aj+voFhlK+kZEIv2FBh1X6Xp3DlnCOfEQ3B2J86A==",
+      "license": "MIT",
+      "dependencies": {
+        "real-require": "^0.2.0"
+      }
+    },
     "node_modules/tinyexec": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.0.2.tgz",

package.json

@@ -50,6 +50,7 @@
     "next-intl": "^4.5.8",
     "next-themes": "^0.4.6",
     "openai": "^6.10.0",
+    "pino": "^10.1.0",
     "react": "19.2.0",
     "react-dom": "19.2.0",
     "react-hook-form": "^7.68.0",

prompts.config.ts

@@ -65,7 +65,7 @@ export default defineConfig({
     // Enable MCP (Model Context Protocol) features including API key generation
     mcp: true,
     // Enable comments on prompts
-    comments: true,
+    comments: false,
   },
 
   // Homepage customization

src/lib/logger.ts

@@ -0,0 +1,100 @@
+import pino from "pino";
+
+const isDevelopment = process.env.NODE_ENV === "development";
+
+export const logger = pino({
+  level: process.env.LOG_LEVEL || (isDevelopment ? "debug" : "info"),
+  
+  // Structured JSON format for DigitalOcean App Platform log forwarding
+  formatters: {
+    level: (label) => ({ level: label }),
+    bindings: (bindings) => ({
+      pid: bindings.pid,
+      host: bindings.hostname,
+      app: "prompts-chat",
+    }),
+  },
+
+  // Add timestamp in ISO format for better log aggregation
+  timestamp: pino.stdTimeFunctions.isoTime,
+
+  // Base context added to all logs
+  base: {
+    env: process.env.NODE_ENV,
+    version: process.env.npm_package_version || "unknown",
+  },
+
+  // Redact sensitive fields
+  redact: {
+    paths: [
+      "password",
+      "token",
+      "apiKey",
+      "api_key",
+      "authorization",
+      "cookie",
+      "req.headers.authorization",
+      "req.headers.cookie",
+    ],
+    censor: "[REDACTED]",
+  },
+});
+
+// Create child loggers for specific contexts
+export const createLogger = (context: string) => {
+  return logger.child({ context });
+};
+
+// Pre-configured loggers for common use cases
+export const dbLogger = createLogger("database");
+export const authLogger = createLogger("auth");
+export const apiLogger = createLogger("api");
+
+// Helper for request logging
+export const logRequest = (
+  method: string,
+  path: string,
+  statusCode: number,
+  duration: number,
+  userId?: string
+) => {
+  const log = apiLogger.child({
+    method,
+    path,
+    statusCode,
+    duration: `${duration}ms`,
+    ...(userId && { userId }),
+  });
+
+  if (statusCode >= 500) {
+    log.error("Request failed");
+  } else if (statusCode >= 400) {
+    log.warn("Request error");
+  } else {
+    log.info("Request completed");
+  }
+};
+
+// Helper for error logging with stack traces
+export const logError = (
+  error: Error | unknown,
+  context?: string,
+  meta?: Record<string, unknown>
+) => {
+  const errorObj = error instanceof Error ? error : new Error(String(error));
+  
+  logger.error(
+    {
+      err: {
+        message: errorObj.message,
+        name: errorObj.name,
+        stack: errorObj.stack,
+      },
+      context,
+      ...meta,
+    },
+    errorObj.message
+  );
+};
+
+export default logger;