import pino from "pino";
import { config } from "./config.ts";
import { Request, Response, NextFunction } from "express";
import { randomUUID } from "crypto";
const isDevelopment = process.env.NODE_ENV !== "production";
const baseLogger = pino({
level: process.env.LOG_LEVEL || (isDevelopment ? "debug" : "info"),
redact: {
paths: ["req.headers.authorization", "req.headers.cookie", "res.headers['set-cookie']"],
remove: true,
},
transport: isDevelopment
? {
target: "pino-pretty",
options: {
colorize: true,
translateTime: "HH:MM:ss Z",
ignore: "pid,hostname",
},
}
: undefined,
formatters: {
level: (label) => {
return { level: label };
},
},
base: {
env: process.env.NODE_ENV || "development",
service: config.appName,
},
});
export let logger = baseLogger;
export const setServerId = (serverId: string) => {
logger = baseLogger.child({ serverId });
};
export function requestLoggingMiddleware(req: Request, res: Response, next: NextFunction) {
const correlationId = (req.headers["x-correlation-id"] as string) || randomUUID();
const startTime = Date.now();
// Create a child logger for this request
const requestLogger = logger.child({
correlationId,
method: req.method,
url: req.url,
ip: req.ip,
});
// Attach logger to request object
(req as any).logger = requestLogger;
(req as any).correlationId = correlationId;
// Log request start
requestLogger.debug({ headers: req.headers }, "Request started");
// Log request completion
res.on("finish", () => {
const duration = Date.now() - startTime;
requestLogger.info(
{
statusCode: res.statusCode,
duration: `${duration}ms`,
},
"Request completed"
);
});
next();
}
