diff --git a/src/main/java/os/arcadiadevs/playerservers/hubcore/PsHubCore.java b/src/main/java/os/arcadiadevs/playerservers/hubcore/PsHubCore.java
index e6400ee..05edc67 100644
--- a/src/main/java/os/arcadiadevs/playerservers/hubcore/PsHubCore.java
+++ b/src/main/java/os/arcadiadevs/playerservers/hubcore/PsHubCore.java
@@ -48,13 +48,30 @@ public class PsHubCore extends JavaPlugin {
 
     extractFile("hibernate.cfg.xml");
 
-    sessionFactory =
-        new Configuration()
-            .configure(new File(this.getDataFolder().getAbsolutePath() + "/" + "hibernate.cfg.xml"))
-            .addAnnotatedClass(Server.class)
-            .addAnnotatedClass(Node.class)
-            .addAnnotatedClass(Allocation.class)
-            .buildSessionFactory();
+    var configuration = new org.hibernate.cfg.Configuration()
+        .addAnnotatedClass(Server.class)
+        .addAnnotatedClass(Node.class)
+        .addAnnotatedClass(Allocation.class);
+
+    if (getConfig().getBoolean("mysql.get-from-file")) {
+      configuration
+          .configure(new File(this.getDataFolder().getAbsolutePath() + "/" + "hibernate.cfg.xml"));
+    } else {
+      configuration
+          .setProperty("hibernate.connection.url", getConfig().getString("mysql.url"))
+          .setProperty("hibernate.connection.username", getConfig().getString("mysql.username"))
+          .setProperty("hibernate.connection.password", getConfig().getString("mysql.password"))
+          .setProperty("hibernate.connection.driver_class", getConfig().getString("mysql.driver"))
+          .setProperty("hibernate.dialect", "org.hibernate.dialect.MySQLDialect")
+          .setProperty("hibernate.connection.pool_size", "10")
+          .setProperty("hibernate.show_sql", String.valueOf(getConfig().getBoolean("mysql.debug")))
+          .setProperty("hibernate.format_sql",
+              String.valueOf(getConfig().getBoolean("mysql.debug")))
+          .setProperty("hibernate.current_session_context_class", "thread")
+          .setProperty("hibernate.hbm2ddl.auto", getConfig().getString("mysql.update-policy"));
+    }
+
+    sessionFactory = configuration.buildSessionFactory();
 
     // Initialize the controllers
     serversController = new ServersController(sessionFactory);
diff --git a/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Allocation.java b/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Allocation.java
index 1d49b72..970f60a 100644
--- a/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Allocation.java
+++ b/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Allocation.java
@@ -19,8 +19,7 @@ import lombok.Setter;
 public class Allocation {
 
   @Id
-  @Column(name = "id")
-  @GeneratedValue(strategy = GenerationType.IDENTITY)
+  @Column(name = "id", unique = true, nullable = false)
   private long id;
 
   @Column(name = "ip", nullable = false)
@@ -33,8 +32,8 @@ public class Allocation {
   @JoinColumn(name = "node")
   private Node node;
 
-  @ManyToOne(optional = true)
-  @JoinColumn(name = "server_id", nullable = true)
+  @ManyToOne()
+  @JoinColumn(name = "server_id")
   private Server server;
 
   public String getFullAddress() {
diff --git a/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Node.java b/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Node.java
index 7b8b9c9..a0355c3 100644
--- a/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Node.java
+++ b/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Node.java
@@ -25,23 +25,22 @@ import lombok.Setter;
 public class Node {
 
   @Id
-  @Column(name = "id")
-  @GeneratedValue(strategy = GenerationType.IDENTITY)
-  private long id;
+  @Column(name = "id", unique = true, nullable = false)
+  private Long id;
 
-  @Column(name = "name")
+  @Column(name = "name", nullable = false)
   private String name;
 
-  @Column(name = "ip")
+  @Column(name = "ip", nullable = false)
   private String ip;
 
-  @Column(name = "port")
+  @Column(name = "port", nullable = false)
   private int port;
 
   @Column(name = "max_online")
   private Integer maxOnline;
 
-  @Column(name = "pterodactyl")
+  @Column(name = "pterodactyl", nullable = false)
   private boolean pterodactyl = false;
 
   @Column(name = "token")
diff --git a/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Server.java b/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Server.java
index c03a365..e92ed26 100644
--- a/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Server.java
+++ b/src/main/java/os/arcadiadevs/playerservers/hubcore/models/Server.java
@@ -53,12 +53,11 @@ public class Server {
   @JoinColumn(name = "node")
   private Node node;
 
-  @Column(name = "allocations")
-  @OneToMany(mappedBy = "id", fetch = FetchType.EAGER)
+  @OneToMany(mappedBy = "server", fetch = FetchType.EAGER)
   private List<Allocation> allocations;
 
-  @JoinColumn(name = "default_allocation", referencedColumnName = "id")
-  @OneToOne
+  @JoinColumn(name = "default_allocation")
+  @OneToOne()
   private Allocation defaultAllocation;
 
   /**
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 9cc3830..c362d5f 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -1,9 +1,18 @@
+# Please enter your MySQL information below. These need to be the same as for PlayerServers.
 mysql:
-  hostname: 127.0.0.1
-  username: web
-  password: webmaster
-  database: PlayerServers
-  useSSL: true
+  # Url of the MySQL server, in format: jdbc:mysql://<host>:<port>/<database>
+  # Any additional options can be added at the end of url, such as:
+  # ?autoReconnect=true&useSSL=false?useUnicode=true&characterEncoding=UTF-8
+  url: "jdbc:mysql://localhost:3306/playerservers?useSSL=false&serverTimezone=UTC"
+
+  username: root
+  password: root
+
+  # Developer options, do not change unless you know what you are doing.
+  driver: "com.mysql.cj.jdbc.Driver"
+  update-policy: "update"
+  debug: false
+  get-from-file: false
 
 # For how long should we keep Server Data cached?
 cache-time: 20