diff --git a/package-lock.json b/package-lock.json
index 91de70f..ad9fe6b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,15 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@types/mysql": {
+      "version": "2.15.8",
+      "resolved": "https://registry.npmjs.org/@types/mysql/-/mysql-2.15.8.tgz",
+      "integrity": "sha512-l0TUdg6KDEaLO75/yjdjksobJDRWv8iZlpRfv/WW1lQZCQDKdTDnKCkeH10oapzP/JTuKiTy6Cvq/sm/0GgcUw==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/node": {
       "version": "12.12.8",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.8.tgz",
@@ -438,6 +447,11 @@
       "integrity": "sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==",
       "dev": true
     },
+    "bignumber.js": {
+      "version": "7.2.1",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-7.2.1.tgz",
+      "integrity": "sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ=="
+    },
     "binary-extensions": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.13.1.tgz",
@@ -886,8 +900,7 @@
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
-      "dev": true
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
     "create-ecdh": {
       "version": "4.0.3",
@@ -2223,8 +2236,7 @@
     "inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "ini": {
       "version": "1.3.5",
@@ -2435,8 +2447,7 @@
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-      "dev": true
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
     },
     "isexe": {
       "version": "2.0.0",
@@ -2714,6 +2725,17 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
       "dev": true
     },
+    "mysql": {
+      "version": "2.17.1",
+      "resolved": "https://registry.npmjs.org/mysql/-/mysql-2.17.1.tgz",
+      "integrity": "sha512-7vMqHQ673SAk5C8fOzTG2LpPcf3bNt0oL3sFpxPEEFp1mdlDcrLK0On7z8ZYKaaHrHwNcQ/MTUz7/oobZ2OyyA==",
+      "requires": {
+        "bignumber.js": "7.2.1",
+        "readable-stream": "2.3.6",
+        "safe-buffer": "5.1.2",
+        "sqlstring": "2.3.1"
+      }
+    },
     "nan": {
       "version": "2.14.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
@@ -3183,8 +3205,7 @@
     "process-nextick-args": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
-      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
-      "dev": true
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
     },
     "promise-inflight": {
       "version": "1.0.1",
@@ -3310,7 +3331,6 @@
       "version": "2.3.6",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
-      "dev": true,
       "requires": {
         "core-util-is": "~1.0.0",
         "inherits": "~2.0.3",
@@ -3422,8 +3442,7 @@
     "safe-buffer": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-      "dev": true
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
     "safe-regex": {
       "version": "1.1.0",
@@ -3691,6 +3710,11 @@
         "extend-shallow": "^3.0.0"
       }
     },
+    "sqlstring": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.1.tgz",
+      "integrity": "sha1-R1OT/56RR5rqYtyvDKPRSYOn+0A="
+    },
     "ssri": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/ssri/-/ssri-6.0.1.tgz",
@@ -3774,7 +3798,6 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
       "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
       "requires": {
         "safe-buffer": "~5.1.0"
       }
@@ -4223,8 +4246,7 @@
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
     },
     "vm-browserify": {
       "version": "1.1.2",
diff --git a/package.json b/package.json
index 85b03a9..6657802 100644
--- a/package.json
+++ b/package.json
@@ -9,9 +9,11 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
+    "mysql": "^2.17.1",
     "typescript": "^3.7.2"
   },
   "devDependencies": {
+    "@types/mysql": "^2.15.8",
     "@types/node": "^12.12.8",
     "nodemon": "^2.0.0",
     "ts-loader": "^6.0.3",
diff --git a/src/helpers/DatabaseHelper.ts b/src/helpers/DatabaseHelper.ts
new file mode 100644
index 0000000..2f02282
--- /dev/null
+++ b/src/helpers/DatabaseHelper.ts
@@ -0,0 +1,41 @@
+import { createConnection, Connection } from "mysql";
+import { conf } from "./ConfigHelper";
+
+/**
+ * Database helper
+ * 
+ * @author Pierre HUBERT
+ */
+
+export class DatabaseHelper {
+
+	private static connection : Connection;
+
+	/**
+	 * Connect to database
+	 */
+	static async connect() {
+		this.connection = createConnection({
+			host: conf().database.host,
+			user: conf().database.user,
+			password: conf().database.password,
+			database: conf().database.dbName
+		});
+
+		await new Promise((resolve, reject) => {
+			this.connection.connect(err => {
+
+				if(err) {
+					console.error("Could not connect to database !");
+					console.error(err);
+					reject(err);
+					return;
+				}
+
+				console.info("Connected to database.");
+				resolve();
+			});
+		})
+	}
+
+}
\ No newline at end of file
diff --git a/src/main.ts b/src/main.ts
index 56565ac..20a61e4 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,4 +1,5 @@
-import { ConfigurationHelper, conf } from "./helpers/ConfigHelper";
+import { ConfigurationHelper } from "./helpers/ConfigHelper";
+import { DatabaseHelper } from "./helpers/DatabaseHelper";
 
 /**
  * Main project script
@@ -9,4 +10,7 @@ import { ConfigurationHelper, conf } from "./helpers/ConfigHelper";
 console.info("Comunic API v6\t@author Pierre HUBERT\t2019-" + new Date().getFullYear());
 
 console.info("Load configuration...");
-ConfigurationHelper.loadConf("config.json");
\ No newline at end of file
+ConfigurationHelper.loadConf("config.json");
+
+console.info("Connect to database");
+DatabaseHelper.connect();
\ No newline at end of file