feat: add timeouts and pool settings to the Knex connection

Author: SamuelGoulart

.vscode/settings.json

@@ -11,6 +11,7 @@
     "hokify",
     "italog",
     "memjs",
+    "Millis",
     "msisdn",
     "mvno",
     "OLLEH",

TEMPLATE-CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Add timeouts and pool settings to the Mongoose connection.
+- Add timeouts and pool settings to the Knex connection.
 
 ## [2.4.0] - 2025-05-08
 

src/infra/db/mssql/util/connection/index.ts

@@ -12,11 +12,22 @@ const configs = {
       port: +DB.PORT,
       user: DB.USERNAME,
       password: DB.PASSWORD,
+      requestTimeout: DB.CONNECTION_TIMEOUT_MS,
       options: {
         encrypt: false,
         enableArithAbort: false,
         appName: pkg.name
       }
+    },
+    pool: {
+      max: DB.MAX_POOL,
+      min: DB.MIN_POOL,
+      acquireTimeoutMillis: DB.CONNECTION_TIMEOUT_MS,
+      createTimeoutMillis: DB.CONNECTION_TIMEOUT_MS,
+      destroyTimeoutMillis: DB.CONNECTION_TIMEOUT_MS,
+      idleTimeoutMillis: DB.IDLE_TIMEOUT_IN_MILLISECONDS,
+      reapIntervalMillis: DB.REPEAT_INTERVAL_IN_MS,
+      createRetryIntervalMillis: DB.CREATE_RETRY_INTERVAL_IN_MS
     }
   },
 

src/util/constants/environment.ts

@@ -57,6 +57,16 @@ export const DB = {
     ? stringToBoolean(process.env.DB_ENABLED)
     : true,
   DB_TEST_CONNECTION_QUERY: process.env.DB_TEST_CONNECTION_QUERY || 'SELECT 1',
+  CONNECTION_TIMEOUT_MS: +(() =>
+    process.env.DB_CONNECTION_TIMEOUT_MS || 60000)(),
+  MAX_POOL: +(() => process.env.DB_MAX_POOL || 10)(),
+  MIN_POOL: +(() => process.env.DB_MIN_POOL || 2)(),
+  IDLE_TIMEOUT_IN_MILLISECONDS: +(() =>
+    process.env.DB_IDLE_TIMEOUT_IN_MILLISECONDS || 30000)(),
+  REPEAT_INTERVAL_IN_MS: +(() =>
+    process.env.DB_REPEAT_INTERVAL_IN_MS || 1000)(),
+  CREATE_RETRY_INTERVAL_IN_MS: +(() =>
+    process.env.DB_CREATE_RETRY_INTERVAL_IN_MS || 200)(),
   CONFIG: process.env.DB_CONFIG || 'default',
   DIALECT: process.env.DB_DIALECT || 'mssql',
   HOST: process.env.DB_HOST || '',

test/unit/infra/db/mssql/util/connection/knext-connection.spec.ts

@@ -8,7 +8,15 @@ describe('KNEX connection config', () => {
     const config = getConfig();
 
     const values = Object.keys(config.connection);
-    const expectedValues = ['host', 'port', 'user', 'password', 'options'];
+    const expectedValues = [
+      'host',
+      'port',
+      'user',
+      'password',
+      'requestTimeout',
+      'options'
+    ];
+
     expect(values).toEqual(expectedValues);
     expect(config.client).toBeTruthy();
   });