diff --git a/check_process b/check_process
index ec68e6c..0bd8ae7 100644
--- a/check_process
+++ b/check_process
@@ -5,6 +5,7 @@
 		is_public=1
 		admin="john"
 		password="1Strong-Password"
+		database="pgsql"
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
diff --git a/conf/config.inc.php.mysql b/conf/config.inc.php.mysql
new file mode 100644
index 0000000..1c6445c
--- /dev/null
+++ b/conf/config.inc.php.mysql
@@ -0,0 +1,25 @@
+<?php
+/*
+This is an example for your configuration file,
+read comments and replace the "blanks".
+You can then copy the file in GALETTE_CONFIG_PATH/config.inc.php
+
+$Id$
+*/
+
+/* choose your database engine, values : pgsql|mysql */
+define("TYPE_DB", "mysql"); 
+/* hostname for the database */
+define("HOST_DB", "localhost"); 
+/* tcp port for the database */
+define("PORT_DB", "3306"); 
+/* the username for the database */
+define("USER_DB", "__DB_USER__");
+/* password for the username define above */
+define("PWD_DB", "__DB_PWD__");
+/* the database name */
+define("NAME_DB", "__DB_NAME__");
+/* tables name prefix (default is galette_) */
+define("PREFIX_DB", "galette_");
+/* FIXME will disappear soon */
+define("STOCK_FILES", "tempimages");
diff --git a/conf/config.inc.php.dist b/conf/config.inc.php.pgsql
similarity index 100%
rename from conf/config.inc.php.dist
rename to conf/config.inc.php.pgsql
diff --git a/manifest.json b/manifest.json
index a4219a8..6b5c43f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -56,6 +56,15 @@
             {
                 "name": "password",
                 "type": "password"
+            },
+            {
+                "name": "database",
+                "type": "string",
+                "ask": {
+                    "en": "Choose SQL databe you want"
+                },
+                "choices": ["pgsql", "mysql"],
+                "default": "pgsql"
             }
         ]
     }
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 111f5ee..b9174d9 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,7 +7,9 @@
 # dependencies used by the app
 YNH_PHP_VERSION="7.3"
 
-pkg_dependencies="postgresql php${YNH_PHP_VERSION}-tidy php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-pgsql php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-curl"
+pkg_dependencies="php${YNH_PHP_VERSION}-tidy php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-curl"
+
+pgsql_pkg_dependencies="postgresql php${YNH_PHP_VERSION}-pgsql"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/backup b/scripts/backup
index 1fcd657..5a15463 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -28,6 +28,7 @@ final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+database=$(ynh_app_setting_get --app=$app --key=database)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
@@ -65,7 +66,12 @@ ynh_backup --src_path="/etc/logrotate.d/$app"
 #=================================================
 ynh_print_info --message="Backing up the PostgreSQL database..."
 
-ynh_psql_dump_db --database="$db_name" > db.sql
+if [ $database == "pgsql" ]
+then
+	ynh_psql_dump_db --database="$db_name" > db.sql
+else
+	ynh_mysql_dump_db --database="$db_name" > db.sql
+fi
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/install b/scripts/install
old mode 100755
new mode 100644
index 8bd239f..7d35f46
--- a/scripts/install
+++ b/scripts/install
@@ -25,6 +25,7 @@ path_url=$YNH_APP_ARG_PATH
 is_public=$YNH_APP_ARG_IS_PUBLIC
 admin=$YNH_APP_ARG_ADMIN
 password=$YNH_APP_ARG_PASSWORD
+database=$YNH_APP_ARG_DATABASE
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -48,6 +49,7 @@ ynh_script_progression --message="Storing installation settings..." --weight=1
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
+ynh_app_setting_set --app=$app --key=database --value=$database
 
 #=================================================
 # STANDARD MODIFICATIONS
@@ -56,6 +58,11 @@ ynh_app_setting_set --app=$app --key=path --value=$path_url
 #=================================================
 ynh_script_progression --message="Installing dependencies..." --weight=20
 
+if [ $database == "pgsql" ]
+then
+	pkg_dependencies="$pkg_dependencies $pgsql_pkg_dependencies"
+fi
+
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
@@ -74,8 +81,15 @@ ynh_script_progression --message="Creating a PostgreSQL database..." --weight=2
 db_name=$(ynh_sanitize_dbid --db_name=$app)
 db_user=$db_name
 ynh_app_setting_set --app=$app --key=db_name --value=$db_name
-ynh_psql_test_if_first_run
-ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
+if [ $database == "pgsql" ]
+then
+	ynh_psql_test_if_first_run
+	ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
+	ynh_app_setting_set --app=$app --key=db_pwd --value=$db_pwd
+else
+	ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
+	ynh_app_setting_set --app=$app --key=db_pwd --value=$db_pwd
+fi
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -114,7 +128,7 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 #=================================================
 ynh_script_progression --message="Adding a configuration file..." --weight=1
 
-ynh_add_config --template="../conf/config.inc.php.dist" --destination="$final_path/galette/config/config.inc.php"
+ynh_add_config --template="../conf/config.inc.php.$database" --destination="$final_path/galette/config/config.inc.php"
 
 chmod 400 "$final_path/galette/config/config.inc.php"
 chown $app:$app "$final_path/galette/config/config.inc.php"
diff --git a/scripts/remove b/scripts/remove
old mode 100755
new mode 100644
index c5caaa6..2574adb
--- a/scripts/remove
+++ b/scripts/remove
@@ -21,6 +21,7 @@ port=$(ynh_app_setting_get --app=$app --key=port)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+database=$(ynh_app_setting_get --app=$app --key=database)
 
 #=================================================
 # STANDARD REMOVE
@@ -38,7 +39,12 @@ ynh_remove_logrotate
 ynh_script_progression --message="Removing the PostgreSQL database..." --weight=2
 
 # Remove a database if it exists, along with the associated user
-ynh_psql_remove_db --db_user=$db_user --db_name=$db_name
+if [ $database == "pgsql" ]
+then
+	ynh_psql_remove_db --db_user=$db_user --db_name=$db_name
+else
+	ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
+fi
 
 #=================================================
 # REMOVE APP MAIN DIR
diff --git a/scripts/restore b/scripts/restore
index f52afb1..7bb5590 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -29,8 +29,8 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
-db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+database=$(ynh_app_setting_get --app=$app --key=database)
 timezone="$(cat /etc/timezone)"
 
 #=================================================
@@ -84,6 +84,11 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 ynh_script_progression --message="Reinstalling dependencies..." --weight=6
 
 # Define and install dependencies
+if [ $database == "pgsql" ]
+then
+	pkg_dependencies="$pkg_dependencies $pgsql_pkg_dependencies"
+fi
+
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
@@ -91,9 +96,17 @@ ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 #=================================================
 ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=6
 
-ynh_psql_test_if_first_run
-ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
-ynh_psql_execute_file_as_root --file="./db.sql" --database=$db_name
+if [ $database == "pgsql" ]
+then
+	db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
+	ynh_psql_test_if_first_run
+	ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
+	ynh_psql_execute_file_as_root --file="./db.sql" --database=$db_name
+else
+	db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
+	ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
+	ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
+fi
 
 #=================================================
 # RESTORE USER RIGHTS
diff --git a/scripts/upgrade b/scripts/upgrade
index bbd114f..3af57ab 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,8 +21,9 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
-db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
+db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+database=$(ynh_app_setting_get --app=$app --key=database)
 timezone="$(cat /etc/timezone)"
 
 #=================================================
@@ -59,10 +60,10 @@ if [ -z "$db_name" ]; then
 	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
 fi
 
-# If db_name doesn't exist, create it
+# If db_pwd doesn't exist, create it
 if [ -z "$db_pwd" ]; then
 	db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
-	ynh_app_setting_set --app=$app --key=psqlpwd --value=$db_pwd
+	ynh_app_setting_set --app=$app --key=db_pwd --value=$db_pwd
 fi
 
 # If final_path doesn't exist, create it
@@ -127,7 +128,12 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
-ynh_install_app_dependencies $pkg_dependencies
+if [ $database == "pgsql" ]
+then
+	pkg_dependencies="$pkg_dependencies $pgsql_pkg_dependencies"
+fi
+
+ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # PHP-FPM CONFIGURATION