diff --git a/migrations/01_init_db.sql b/migrations/01_init_db.sql
new file mode 100644
index 0000000..a6e9d5d
--- /dev/null
+++ b/migrations/01_init_db.sql
@@ -0,0 +1,70 @@
+CREATE TABLE company (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    street VARCHAR,
+    house_number VARCHAR,
+    zip_code VARCHAR,
+    city VARCHAR
+);
+
+CREATE TABLE "user" (
+    id SERIAL PRIMARY KEY,
+    login VARCHAR NOT NULL,
+    password VARCHAR NOT NULL,
+    full_name VARCHAR,
+    email VARCHAR,
+    admin bool,
+    get_emails bool
+);
+
+CREATE TABLE property (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    description VARCHAR,
+    price NUMERIC(9, 2) NOT NULL
+);
+
+CREATE TYPE message_type AS ENUM ('NewReservation', 'NewReservationCust', 'ReservationApp', 'ReservationCanceled');
+
+CREATE TABLE message (
+    id SERIAL PRIMARY KEY,
+    msg_type message_type NOT NULL ,
+    subject VARCHAR NOT NULL ,
+    "text" TEXT NOT NULL
+);
+
+CREATE TABLE opening_hour (
+    id SERIAL PRIMARY KEY,
+    day INTEGER NOT NULL ,
+    "from" TIME NOT NULL ,
+    "to" TIME NOT NULL,
+    discount INTEGER
+);
+
+CREATE TABLE customer (
+    id BIGSERIAL PRIMARY KEY,
+    full_name VARCHAR NOT NULL,
+    email VARCHAR NOT NULL,
+    phone VARCHAR,
+    discount INTEGER
+);
+
+CREATE TYPE reservation_state AS ENUM ('New', 'Approved', 'Canceled');
+
+CREATE TABLE reservation_sum (
+    id BIGSERIAL PRIMARY KEY,
+    uuid uuid NOT NULL,
+    date DATE NOT NULL,
+    customer BIGINT REFERENCES customer(id) NOT NULL,
+    price NUMERIC(9, 2) NOT NULL,
+    state reservation_state
+);
+
+
+CREATE TABLE reservation (
+    id BIGSERIAL PRIMARY KEY,
+    "from" TIME NOT NULL,
+    "to" TIME NOT NULL,
+    property INTEGER REFERENCES property(id) NOT NULL,
+    summary BIGINT REFERENCES reservation_sum(id) NOT NULL
+);
diff --git a/src/backend/data.rs b/src/backend/data.rs
new file mode 100644
index 0000000..c39a26d
--- /dev/null
+++ b/src/backend/data.rs
@@ -0,0 +1,82 @@
+use chrono::{NaiveDate, NaiveTime, Weekday};
+use rust_decimal::Decimal;
+use uuid::Uuid;
+
+pub struct Company {
+    id: u16,
+    name: String,
+    street: String,
+    house_number: String,
+    zip_code: String,
+    city: String,
+}
+
+pub struct User {
+    id: u16,
+    login: String,
+    password: String,
+    full_name: String,
+    email: String,
+    admin: bool,
+    get_emails: bool,
+}
+
+pub struct Property {
+    id: u16,
+    name: String,
+    description: String,
+    price: Decimal
+}
+
+pub enum MessageType {
+    NewReservation,
+    NewReservationCust,
+    ReservationApp,
+    ReservationCanceled,
+}
+
+pub struct Message {
+    id: u16,
+    msg_type: MessageType,
+    subject: String,
+    text: String,
+}
+
+pub struct OpeningHour {
+    id: u16,
+    day: Weekday,
+    from: NaiveTime,
+    to: NaiveTime,
+    discount: u8
+}
+
+pub struct Customer {
+    id: u128,
+    full_name: String,
+    email: String,
+    phone: String,
+    discount: u8
+}
+
+pub enum ReservationState {
+    New,
+    Approved,
+    Canceled,
+}
+
+pub struct Reservation {
+    id: u128,
+    from: NaiveTime,
+    to: NaiveTime,
+    property: Property,
+}
+
+pub struct ReservationSum {
+    id: u128,
+    uuid: Uuid,
+    date: NaiveDate,
+    items: Vec<Reservation>,
+    customer: Customer,
+    price: Decimal,
+    state: ReservationState,
+}
\ No newline at end of file
diff --git a/src/backend/mod.rs b/src/backend/mod.rs
new file mode 100644
index 0000000..07ff7c0
--- /dev/null
+++ b/src/backend/mod.rs
@@ -0,0 +1,26 @@
+use cfg_if::cfg_if;
+
+pub mod data;
+
+cfg_if!{
+    if #[cfg(feature = "ssr")] {
+        use sqlx::PgPool;
+
+        #[derive(Clone)]
+        pub struct AppData {
+            db_pool: PgPool
+        }
+
+        impl AppData {
+            pub fn new(db_pool: PgPool) -> Self {
+                Self {
+                    db_pool
+                }
+            }
+
+            pub fn db_pool(&self) -> &PgPool {
+                &self.db_pool
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 0d1eb83..4bb1993 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,6 +3,7 @@ pub mod modal_box;
 pub mod home_page;
 pub mod server_fn;
 pub mod locales;
+pub mod backend;
 
 use cfg_if::cfg_if;
 
diff --git a/src/main.rs b/src/main.rs
index 14c47f7..9f0ea5b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,6 @@
+use sqlx::migrate;
+use sqlx::postgres::PgPoolOptions;
+
 #[cfg(feature = "ssr")]
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
@@ -6,10 +9,11 @@ async fn main() -> std::io::Result<()> {
     use leptos::*;
     use leptos_actix::{generate_route_list, LeptosRoutes};
     use rezervator::app::*;
-    //use rezervator::server_fn::*;
+    use rezervator::backend::*;
     use actix_session::storage::CookieSessionStore;
     use actix_session::SessionMiddleware;
     use actix_web::cookie::Key;
+    use actix_web::web::Data;
 
     let conf = get_configuration(None).await.unwrap();
     let addr = conf.leptos_options.site_addr;
@@ -17,14 +21,18 @@ async fn main() -> std::io::Result<()> {
     let routes = generate_route_list(|cx| view! { cx, <App/> });
     let key = Key::generate();
 
-    //SetSession::register();
-    //GetSession::register();
+    let pool = PgPoolOptions::new()
+        .max_connections(10)
+        .connect("postgres://pepa:mkoijn@localhost/rezervator").await.unwrap();
+
+    migrate!().run(&pool).await.expect("could not run SQLx migrations");
 
     HttpServer::new(move || {
         let leptos_options = &conf.leptos_options;
         let site_root = &leptos_options.site_root;
 
         App::new()
+            .app_data(Data::new(AppData::new(pool.clone())))
             .wrap(SessionMiddleware::new(
                 CookieSessionStore::default(),
                 key.clone()
diff --git a/src/server_fn.rs b/src/server_fn.rs
index 6dd7502..677ab88 100644
--- a/src/server_fn.rs
+++ b/src/server_fn.rs
@@ -4,6 +4,8 @@ use leptos::*;
 pub async fn set_session(cx: Scope) -> Result<(), ServerFnError> {
     use leptos_actix::extract;
     use actix_session::*;
+    use actix_web::web::Data;
+    //use crate::DataPok;
 
     extract(cx, |session: Session| async move {
         leptos::log!("extract");