api-payroll/src/dependencies.php

@@ -24,6 +24,7 @@ $container['mysql'] = function ($c) {
 
     // The database parameters
     $host = $mysqlSettings['host'];
+    $port = $mysqlSettings['port'];
     $database = $mysqlSettings['database'];
     $user = $mysqlSettings['user'];
     $password = $mysqlSettings['password'];
@@ -34,7 +35,7 @@ $container['mysql'] = function ($c) {
     $databaseConnectionErrorMessage = $mysqlSettings['databaseConnectionErrorMessage'];
 
     // Initiate the connection
-    $dsn = "mysql:host=$host;dbname=$database;charset=$charset";
+    $dsn = "mysql:host=$host;port=$port;dbname=$database;charset=$charset";
     try {
         $pdo = new PDO($dsn, $user, $password, $pdoConnectionOptions);
     } catch (Exception $e) {

api-payroll/src/settings.php

@@ -27,6 +27,7 @@ return [
         // Datanase settings
         'mysql' => [
             'host' => 'mysql',
+            'port' => '3307',
             'database' => 'payroll',
             'user' => 'root',
             'password' => '12345678',

database/Dockerfile

@@ -1,3 +1,7 @@
 FROM mysql:5.7
 
+# Starting scripts
 ADD . /docker-entrypoint-initdb.d
+
+# Config
+ADD my.cnf /etc/mysql

database/my.cnf

@@ -0,0 +1,20 @@
+# Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+[mysqld]
+port = 3307
+
+!includedir /etc/mysql/conf.d/
+!includedir /etc/mysql/mysql.conf.d/

docker-compose.yml

@@ -13,8 +13,10 @@ services:
     container_name: payroll_mysql
     restart: always
     build: database
+    expose:
+      - "3307"
     ports:
-     - "3306:3306"
+     - "3307:3307"
     volumes:
       - my-datavolume:/var/lib/mysql
     environment: