feat: temp to test in prod (#22)

seems like to work in local need to run docker, so test it in prod

app/api/sign/route.ts

@@ -1,5 +1,6 @@
 import { auth } from '@/auth';
 import { getPresignedUrl } from '@/lib/aws';
+import { getLogger } from '@/lib/logger';
 import { nanoid } from '@/lib/utils';
 
 /**
@@ -24,6 +25,8 @@ export async function POST(req: Request): Promise<Response> {
 
     const signedFileName = `${user}/${id ?? nanoid()}/${fileName}`;
     const res = await getPresignedUrl(signedFileName, fileType);
+    const logger = getLogger();
+    logger.info('get presigned url for chat id ' + id);
     return Response.json({
       id,
       signedUrl: res.url,

lib/hooks/useVisionAgent.tsx

@@ -82,7 +82,6 @@ const useVisionAgent = (chat: ChatEntity) => {
           ...message,
           content: logs + CLEANED_SEPARATOR + newContent,
         };
-        console.log(messages);
         setMessages([...messages, newMessage]);
         saveKVChatMessage(id, newMessage);
       } else {

lib/logger.ts

@@ -0,0 +1,41 @@
+import { createLogger, transports, format, Logger } from 'winston';
+import LokiTransport from 'winston-loki';
+
+let logger: Logger;
+
+const initializeLogger = () => {
+  if (logger) {
+    return;
+  }
+
+  logger = createLogger({
+    level: 'debug',
+    transports: [
+      new LokiTransport({
+        host: 'https://logs-prod3.grafana.net',
+        labels: {
+          app: 'grafanacloud-landingai-logs',
+          namespace: 'vision-agent',
+        },
+        basicAuth: `${process.env.LOKI_AUTH_USER_ID}:${process.env.LOKI_AUTH_USER_PASSWORD}`,
+        json: true,
+        format: format.json(),
+        replaceTimestamp: true,
+        onConnectionError: err => console.log(err),
+      }),
+      new transports.Console({
+        format: format.combine(format.simple(), format.colorize()),
+      }),
+    ],
+  });
+};
+
+export const getLogger = () => {
+  initializeLogger();
+  logger.info('Starting test');
+  logger.debug('sending debug message');
+  logger.warn('sending warn message');
+  logger.error('sending error message');
+  logger.info('done testing');
+  return logger;
+};

package.json

@@ -48,7 +48,9 @@
     "react-textarea-autosize": "^8.5.3",
     "remark-gfm": "^3.0.1",
     "remark-math": "^5.1.1",
-    "uuid": "^9.0.1"
+    "uuid": "^9.0.1",
+    "winston": "^3.13.0",
+    "winston-loki": "^6.1.2"
   },
   "devDependencies": {
     "@tailwindcss/typography": "^0.5.10",