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feat: add pino logger for serverside

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This commit is contained in:
Levente Orban
2025-10-27 09:33:00 +01:00
parent 935042dd06
commit 2a96d3762c
11 changed files with 367 additions and 24 deletions
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26
src/lib/database/healthCheck.ts
View File

@@ -1,5 +1,6 @@
import postgres from 'postgres';
import { env } from '$env/dynamic/private';
import { logger } from '$lib/logger';
interface HealthCheckOptions {
maxRetries?: number;
@@ -29,7 +30,7 @@ export async function checkDatabaseHealth(
} = options;
if (!env.DATABASE_URL) {
console.error('DATABASE_URL environment variable is not set');
logger.error('DATABASE_URL environment variable is not set');
return {
success: false,
error: 'DATABASE_URL environment variable is not set',
@@ -39,10 +40,10 @@ export async function checkDatabaseHealth(
let lastError: Error | null = null;
console.log(`Starting database health check (max retries: ${maxRetries})`);
logger.info({ maxRetries }, 'Starting database health check');
for (let attempt = 1; attempt <= maxRetries; attempt++) {
console.log(`Attempt ${attempt}/${maxRetries} - Testing database connection`);
logger.debug({ attempt, maxRetries }, 'Testing database connection');
try {
// Create a new connection for the health check
@@ -57,7 +58,7 @@ export async function checkDatabaseHealth(
await client`SELECT 1 as health_check`;
await client.end();
console.log(`Database connection successful on attempt ${attempt}.`);
logger.info({ attempt }, 'Database connection successful');
return {
success: true,
@@ -66,12 +67,12 @@ export async function checkDatabaseHealth(
} catch (error) {
lastError = error as Error;
const errorMessage = error instanceof Error ? error.message : 'Unknown error';
console.error(`Connection failed on attempt ${attempt}: ${errorMessage}`);
logger.warn({ attempt, error: errorMessage }, 'Database connection failed');
// Don't wait after the last attempt
if (attempt < maxRetries) {
const delay = Math.min(baseDelay * Math.pow(2, attempt - 1), maxDelay);
console.log(`Waiting ${delay}ms before retry...`);
logger.debug({ delay }, 'Waiting before retry');
await new Promise((resolve) => setTimeout(resolve, delay));
}
}
@@ -79,7 +80,10 @@ export async function checkDatabaseHealth(
const finalError = lastError?.message || 'Unknown database connection error';
console.error(`All ${maxRetries} attempts failed. Final error: ${finalError}`);
logger.error(
{ attempts: maxRetries, error: finalError },
'All database connection attempts failed'
);
return {
success: false,
@@ -95,10 +99,10 @@ export async function ensureDatabaseConnection(options?: HealthCheckOptions): Pr
const result = await checkDatabaseHealth(options);
if (!result.success) {
console.error('Database connection failed after all retry attempts');
console.error(`Error: ${result.error}`);
console.error(`Attempts made: ${result.attempts}`);
console.error('Exiting application...');
logger.fatal(
{ error: result.error, attempts: result.attempts },
'Database connection failed after all retry attempts. Exiting application'
);
process.exit(1);
}
}

29
src/lib/logger.ts Normal file
View File

@@ -0,0 +1,29 @@
import pino from 'pino';
import { LOG_PRETTY, LOG_LEVEL } from '$env/static/private';
const USE_PRETTY_LOGS = LOG_PRETTY === 'true';
const transport = USE_PRETTY_LOGS
? {
target: 'pino-pretty',
options: {
colorize: true,
translateTime: 'SYS:standard',
ignore: 'pid,hostname'
}
}
: undefined;
// Create the logger instance
export const logger = pino({
level: LOG_LEVEL,
transport
});
// Export a helper to create child loggers with context
export function createChildLogger(bindings: Record<string, unknown>) {
return logger.child(bindings);
}
// Export types
export type Logger = typeof logger;