diff --git a/package-lock.json b/package-lock.json
index aed71dd..57576cc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -89,6 +89,12 @@
             "integrity": "sha512-0stqrMZB7vxsRTe//XEpr6A9+fThL2y/g6qzDG5ZgMJwuOceqOBDfh+g99tuN/XS58V52aPNTfWVS49Xvh842w==",
             "dev": true
         },
+        "@types/events": {
+            "version": "3.0.0",
+            "resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
+            "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==",
+            "dev": true
+        },
         "@types/express": {
             "version": "4.17.4",
             "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.4.tgz",
@@ -111,6 +117,17 @@
                 "@types/range-parser": "*"
             }
         },
+        "@types/glob": {
+            "version": "7.1.1",
+            "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.1.tgz",
+            "integrity": "sha512-1Bh06cbWJUHMC97acuD6UMG29nMt0Aqz1vF3guLfG+kHHJhy3AyohZFFxYk2f7Q1SQIrNwvncxAE0N/9s70F2w==",
+            "dev": true,
+            "requires": {
+                "@types/events": "*",
+                "@types/minimatch": "*",
+                "@types/node": "*"
+            }
+        },
         "@types/graceful-fs": {
             "version": "4.1.3",
             "resolved": "https://registry.npmjs.org/@types/graceful-fs/-/graceful-fs-4.1.3.tgz",
@@ -181,6 +198,15 @@
                 "@types/mime": "*"
             }
         },
+        "@types/sqlite3": {
+            "version": "3.1.6",
+            "resolved": "https://registry.npmjs.org/@types/sqlite3/-/sqlite3-3.1.6.tgz",
+            "integrity": "sha512-OBsK0KIGUICExQ/ZvnPY4cKx5Kz4NcrVyGTIvOL5y4ajXu7r++RfBajfpGfGDmDVCKcoCDX1dO84/oeyeITnxA==",
+            "dev": true,
+            "requires": {
+                "@types/node": "*"
+            }
+        },
         "Base64": {
             "version": "0.2.1",
             "resolved": "https://registry.npmjs.org/Base64/-/Base64-0.2.1.tgz",
diff --git a/package.json b/package.json
index 3fe54e7..e760ac1 100644
--- a/package.json
+++ b/package.json
@@ -56,10 +56,12 @@
         "@types/compression": "^1.7.0",
         "@types/deep-extend": "^0.4.31",
         "@types/express": "^4.17.4",
+        "@types/glob": "^7.1.1",
         "@types/graceful-fs": "^4.1.3",
         "@types/lodash": "^4.14.149",
         "@types/node": "^13.11.0",
         "@types/nodemailer": "^6.4.0",
+        "@types/sqlite3": "^3.1.6",
         "bower": "^1.8.8",
         "escape-string-regexp": "^2.0.0",
         "grunt": "^1.0.4",
diff --git a/server/db/database.js b/server/db/database.ts
similarity index 63%
rename from server/db/database.js
rename to server/db/database.ts
index 79d69d6..89b9232 100644
--- a/server/db/database.js
+++ b/server/db/database.ts
@@ -1,17 +1,21 @@
-'use strict';
+import util from "util";
+import fs from "graceful-fs";
+import glob from "glob";
+import path from "path";
 
-const util = require('util');
-const fs = require('graceful-fs');
-const glob = util.promisify(require('glob'));
-const path = require('path');
+import sqlite from "sqlite";
+import sqlite3 from "sqlite3";
 
-const config = require('../config').config;
-const Logger = require('../logger');
+import {config} from "../config";
+import Logger from "../logger";
 
-async function applyPatch(db, file) {
+const pglob = util.promisify(glob);
+const pReadFile = util.promisify(fs.readFile);
+
+async function applyPatch(db: sqlite.Database, file: string): Promise<void> {
     Logger.tag('database', 'migration').info('Checking if patch need to be applied: %s', file);
 
-    const contents = await util.promisify(fs.readFile)(file);
+    const contents = await pReadFile(file);
     const version = path.basename(file, '.sql');
 
     const row = await db.get('SELECT * FROM schema_version WHERE version = ?', version);
@@ -31,7 +35,7 @@ async function applyPatch(db, file) {
     Logger.tag('database', 'migration').info('Patch successfully applied: %s', file);
 }
 
-async function applyMigrations(db) {
+async function applyMigrations(db: sqlite.Database): Promise<void> {
     Logger.tag('database', 'migration').info('Migrating database...');
 
     const sql = 'BEGIN TRANSACTION; CREATE TABLE IF NOT EXISTS schema_version (\n' +
@@ -41,20 +45,17 @@ async function applyMigrations(db) {
 
     await db.exec(sql);
 
-    const files = await glob(__dirname + '/patches/*.sql');
+    const files = await pglob(__dirname + '/patches/*.sql');
     for (const file of files) {
         await applyPatch(db, file)
     }
 }
 
-async function init() {
-    const sqlite = require('sqlite');
-    const SQLite3 = require('sqlite3');
-
+export async function init(): Promise<void> {
     const file = config.server.databaseFile;
     Logger.tag('database').info('Setting up database: %s', file);
 
-    let db;
+    let db: sqlite.Database;
     try {
         db = await sqlite.open(file);
     }
@@ -73,18 +74,18 @@ async function init() {
         throw error;
     }
 
-    let legacyDB;
-    try {
-        legacyDB = new SQLite3.Database(file);
-    }
-    catch (error) {
-        Logger.tag('database').error('Error initialzing legacy database lib:', error);
-        throw error;
-    }
-
-    module.exports.db = legacyDB;
+    await db.close()
 }
 
-module.exports = {
-    init
-};
+Logger.tag('database').info('Setting up legacy database: %s', config.server.databaseFile);
+
+let legacyDB: sqlite3.Database;
+try {
+    legacyDB = new sqlite3.Database(config.server.databaseFile);
+}
+catch (error) {
+    Logger.tag('database').error('Error initialzing legacy database lib:', error);
+    throw error;
+}
+
+export const db = legacyDB;
diff --git a/server/main.ts b/server/main.ts
index 2485ff4..978bb91 100755
--- a/server/main.ts
+++ b/server/main.ts
@@ -1,7 +1,7 @@
 import "./init"
 import { config } from "./config"
 import Logger from "./logger"
-import db from "./db/database"
+import * as db from "./db/database"
 import scheduler from "./jobs/scheduler"
 import { init as initRouter } from "./router"
 import app from "./app"
diff --git a/server/utils/databaseUtil.js b/server/utils/databaseUtil.js
deleted file mode 100644
index 10b4bbc..0000000
--- a/server/utils/databaseUtil.js
+++ /dev/null
@@ -1,12 +0,0 @@
-'use strict';
-
-const _ = require('lodash')
-
-module.exports = {
-    inCondition (field, list) {
-        return {
-            query: '(' + field + ' IN (' + _.join(_.times(list.length, _.constant('?')), ', ') + '))',
-            params: list
-        }
-    }
-}
diff --git a/server/utils/databaseUtil.ts b/server/utils/databaseUtil.ts
new file mode 100644
index 0000000..0865577
--- /dev/null
+++ b/server/utils/databaseUtil.ts
@@ -0,0 +1,8 @@
+import _ from "lodash";
+
+export function inCondition<T>(field: string, list: T[]): {query: string, params: T[]} {
+    return {
+        query: '(' + field + ' IN (' + _.join(_.times(list.length, _.constant('?')), ', ') + '))',
+        params: list,
+    }
+}