diff --git a/src/lib.rs b/src/lib.rs
index 4be1145..28db59f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,8 +3,15 @@ pub mod songdata;
 pub mod playstatus;
 pub mod playbar;
 pub mod database;
+pub mod models;
 use cfg_if::cfg_if;
 
+cfg_if! {
+	if #[cfg(feature = "ssr")] {
+    pub mod schema;
+  }
+}
+
 cfg_if! {
 if #[cfg(feature = "hydrate")] {
 
diff --git a/src/models.rs b/src/models.rs
new file mode 100644
index 0000000..2daf3ae
--- /dev/null
+++ b/src/models.rs
@@ -0,0 +1,45 @@
+use std::time::SystemTime;
+use serde::{Deserialize, Serialize};
+
+#[cfg(feature = "ssr")]
+use diesel::prelude::*;
+
+// These "models" are used to represent the data in the database
+// Diesel uses these models to generate the SQL queries that are used to interact with the database.
+// These types are also used for API endpoints, for consistency. Because the file must be compiled
+// for both the server and the client, we use the `cfg_attr` attribute to conditionally add
+// diesel-specific attributes to the models when compiling for the server
+
+/// Model for a "User", used for querying the database
+#[cfg_attr(feature = "ssr", derive(Queryable, Selectable))]
+#[cfg_attr(feature = "ssr", diesel(table_name = crate::schema::users))]
+#[cfg_attr(feature = "ssr", diesel(check_for_backend(diesel::pg::Pg)))]
+#[derive(Serialize, Deserialize)]
+pub struct User {
+	/// A unique id for the user
+	pub id: i32,
+	/// The user's username
+	pub username: String,
+	/// The user's email
+	pub email: String,
+	/// The user's password, stored as a hash
+	pub password: String,
+	/// The time the user was created
+	pub created_at: SystemTime,
+}
+
+/// Model for a "New User", used for inserting into the database
+/// Note that this model does not have an id or created_at field, as those are automatically
+/// generated by the database and we don't want to deal with them ourselves
+#[cfg_attr(feature = "ssr", derive(Insertable))]
+#[cfg_attr(feature = "ssr", diesel(table_name = crate::schema::users))]
+#[cfg_attr(feature = "ssr", diesel(check_for_backend(diesel::pg::Pg)))]
+#[derive(Serialize, Deserialize, Clone, Debug)]
+pub struct NewUser {
+	/// The user's username
+	pub username: String,
+	/// The user's email
+	pub email: String,
+	/// The user's password, stored as a hash
+	pub password: String,
+}