diff --git a/src/main.rs b/src/main.rs
index 7c4c5ef..f306464 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,109 +1,13 @@
 extern crate rocket;
 
-use std::sync::{ atomic::AtomicUsize, atomic::Ordering, Mutex };
-use std::{ collections::HashMap };
-use juniper::{ EmptySubscription, RootNode, graphql_object, Context };
 use rocket::{ response::content, Rocket, State };
+use juniper::{ EmptySubscription };
 
-#[derive(Clone)]
-pub struct Person {
-    id: String,
-    name: String,
-}
+mod model;
+mod schema;
 
-impl Person {
-    pub fn new(id: String, name: String) -> Person {
-        Person { id, name }
-    }
-
-    fn name(&self) -> Option<&str> {
-        Some(self.name.as_str())
-    }
-}
-
-#[graphql_object(context = Database)]
-impl Person {
-    fn id(&self) -> &str {
-        &self.id
-    }
-
-    fn name(&self) -> Option<&str> {
-        Some(self.name.as_str())
-    }
-}
-
-#[derive(Default)]
-pub struct Database {
-    people: Mutex<HashMap<String, Person>>,
-    next_id: AtomicUsize,
-}
-
-impl Database {
-    pub fn new() -> Database {
-        let database = Database {
-            people: Mutex::new(HashMap::new()),
-            next_id: AtomicUsize::new(1),
-        };
-        database
-    }
-
-    pub fn get_person(&self, id: &str) -> Option<Person> {
-        let people = self.people.lock().expect("Couldn't lock people");
-        match people.get(id) {
-            Some(person) => Some(person.to_owned()),
-            None => None,
-        }
-    }
-
-    pub fn add_person(&self, person: Person) {
-        self.people.lock().expect("Couldn't lock people").insert(person.id.to_owned(), person);
-    }
-
-    pub fn new_id(&self) -> usize {
-        self.next_id.fetch_add(1, Ordering::Relaxed)
-    }
-
-    pub fn new_person(&self, name: String) -> Option<Person> {
-        let person = Person {
-            id: self.new_id().to_string(),
-            name,
-        };
-        self.people.lock().expect("lock people hashmap").insert(person.id.to_owned(), person.to_owned());
-        Some(person)
-    }
-}
-
-impl Context for Database {}
-
-pub struct Query;
-#[graphql_object(context = Database)]
-impl Query {
-    #[graphql(arguments(id(description = "id of the human")))]
-    fn human(database: &Database, id: String) -> Option<Person> {
-        database.get_person(&id)
-    }
-}
-
-struct Mutations;
-
-#[graphql_object(context = Database)]
-impl Mutations {
-    fn addHuman(database: &Database, id: String, name: String) -> Person {
-        let new_guy = Person::new(id, name);
-        database.add_person(new_guy.to_owned());
-        new_guy.to_owned()
-    }
-
-    fn newId(database: &Database) -> i32 {
-        database.new_id() as i32
-    }
-
-    fn newPerson(database: &Database, name: String) -> Option<Person> {
-        database.new_person(name)
-    }
-}
-
-type Schema = RootNode<'static, Query, Mutations, EmptySubscription<Database>>;
+use model::Database;
+use schema::{ Schema, Query, Mutations };
 
 #[rocket::get("/")]
 fn graphiql() -> content::Html<String> {
@@ -138,13 +42,15 @@ fn get_rest(id: String, context: &State<Database>) -> Option<String> {
 
 #[rocket::main]
 async fn main() {
+    let schema = Schema::new(
+        Query,
+        Mutations,
+        EmptySubscription::<Database>::new(),
+    );
+
     Rocket::build()
         .manage(Database::new())
-        .manage(Schema::new(
-            Query,
-            Mutations,
-            EmptySubscription::<Database>::new(),
-        ))
+        .manage(schema)
         .mount(
             "/",
             rocket::routes![graphiql, get_graphql_handler, post_graphql_handler, get_rest],
diff --git a/src/model.rs b/src/model.rs
new file mode 100644
index 0000000..4f9b410
--- /dev/null
+++ b/src/model.rs
@@ -0,0 +1,63 @@
+use std::sync::{ atomic::AtomicUsize, atomic::Ordering, Mutex };
+use std::{ collections::HashMap };
+
+#[derive(Clone)]
+pub struct Person {
+    id: String,
+    name: String,
+}
+
+impl Person {
+    pub fn new(id: String, name: String) -> Person {
+        Person { id, name }
+    }
+
+    pub fn id(&self) -> &str {
+        self.id.as_str()
+    }
+
+    pub fn name(&self) -> Option<&str> {
+        Some(self.name.as_str())
+    }
+}
+
+#[derive(Default)]
+pub struct Database {
+    people: Mutex<HashMap<String, Person>>,
+    next_id: AtomicUsize,
+}
+
+impl Database {
+    pub fn new() -> Database {
+        let database = Database {
+            people: Mutex::new(HashMap::new()),
+            next_id: AtomicUsize::new(1),
+        };
+        database
+    }
+
+    pub fn get_person(&self, id: &str) -> Option<Person> {
+        let people = self.people.lock().expect("Couldn't lock people");
+        match people.get(id) {
+            Some(person) => Some(person.to_owned()),
+            None => None,
+        }
+    }
+
+    pub fn add_person(&self, person: Person) {
+        self.people.lock().expect("Couldn't lock people").insert(person.id.to_owned(), person);
+    }
+
+    pub fn new_id(&self) -> usize {
+        self.next_id.fetch_add(1, Ordering::Relaxed)
+    }
+
+    pub fn new_person(&self, name: String) -> Option<Person> {
+        let person = Person {
+            id: self.new_id().to_string(),
+            name,
+        };
+        self.people.lock().expect("lock people hashmap").insert(person.id.to_owned(), person.to_owned());
+        Some(person)
+    }
+}
diff --git a/src/schema.rs b/src/schema.rs
new file mode 100644
index 0000000..f51892f
--- /dev/null
+++ b/src/schema.rs
@@ -0,0 +1,45 @@
+impl Context for Database {}
+
+use juniper::{ EmptySubscription, RootNode, graphql_object, Context };
+use crate::model::{ Database, Person };
+
+#[graphql_object(context = Database)]
+impl Person {
+    fn id(&self) -> &str {
+        self.id()
+    }
+
+    fn name(&self) -> Option<&str> {
+        self.name()
+    }
+}
+
+pub struct Query;
+#[graphql_object(context = Database)]
+impl Query {
+    #[graphql(arguments(id(description = "id of the human")))]
+    fn human(database: &Database, id: String) -> Option<Person> {
+        database.get_person(&id)
+    }
+}
+
+pub struct Mutations;
+
+#[graphql_object(context = Database)]
+impl Mutations {
+    fn addHuman(database: &Database, id: String, name: String) -> Person {
+        let new_guy = Person::new(id, name);
+        database.add_person(new_guy.to_owned());
+        new_guy.to_owned()
+    }
+
+    fn newId(database: &Database) -> i32 {
+        database.new_id() as i32
+    }
+
+    fn newPerson(database: &Database, name: String) -> Option<Person> {
+        database.new_person(name)
+    }
+}
+
+pub type Schema = RootNode<'static, Query, Mutations, EmptySubscription<Database>>;