diff --git a/backend/.env.example b/backend/.env.example
new file mode 100644
index 0000000..d303425
--- /dev/null
+++ b/backend/.env.example
@@ -0,0 +1,11 @@
+# Database
+DB_USER=beetask
+DB_PASSWORD=beetask
+DB_URL=jdbc:postgresql://localhost:5432/beetask
+
+# Optional overrides
+# QUARKUS_HTTP_PORT=8080
+# QUARKUS_HTTP_CORS_ORIGINS=http://localhost:5173
+# MP_JWT_VERIFY_ISSUER=https://beetech.net
+# SMALLRYE_JWT_SIGN_KEY_LOCATION=privateKey.pem
+# MP_JWT_VERIFY_PUBLICKEY_LOCATION=publicKey.pem
diff --git a/backend/pom.xml b/backend/pom.xml
index 4746dd9..3d00ed8 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -67,10 +67,6 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-jdbc-postgresql</artifactId>
         </dependency>
-        <dependency>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-jdbc-h2</artifactId>
-        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-hibernate-validator</artifactId>
diff --git a/backend/src/main/java/net/beetechgroup/beetask/frameworks/health/BackendVersionHealthCheck.java b/backend/src/main/java/net/beetechgroup/beetask/frameworks/health/BackendVersionHealthCheck.java
new file mode 100644
index 0000000..a4e9762
--- /dev/null
+++ b/backend/src/main/java/net/beetechgroup/beetask/frameworks/health/BackendVersionHealthCheck.java
@@ -0,0 +1,26 @@
+package net.beetechgroup.beetask.frameworks.health;
+
+import java.util.Optional;
+
+import org.eclipse.microprofile.config.inject.ConfigProperty;
+import org.eclipse.microprofile.health.HealthCheck;
+import org.eclipse.microprofile.health.HealthCheckResponse;
+import org.eclipse.microprofile.health.Readiness;
+
+import jakarta.enterprise.context.ApplicationScoped;
+
+@Readiness
+@ApplicationScoped
+public class BackendVersionHealthCheck implements HealthCheck {
+
+    @ConfigProperty(name = "quarkus.application.version")
+    Optional<String> applicationVersion;
+
+    @Override
+    public HealthCheckResponse call() {
+        return HealthCheckResponse.named("backend-version")
+                .up()
+                .withData("version", applicationVersion.orElse("unknown"))
+                .build();
+    }
+}
diff --git a/backend/src/main/java/net/beetechgroup/beetask/frameworks/persistence/entities/TaskEntity.java b/backend/src/main/java/net/beetechgroup/beetask/frameworks/persistence/entities/TaskEntity.java
index da079f0..c2a0b21 100644
--- a/backend/src/main/java/net/beetechgroup/beetask/frameworks/persistence/entities/TaskEntity.java
+++ b/backend/src/main/java/net/beetechgroup/beetask/frameworks/persistence/entities/TaskEntity.java
@@ -3,6 +3,7 @@ package net.beetechgroup.beetask.frameworks.persistence.entities;
 import java.util.List;
 
 import jakarta.persistence.CascadeType;
+import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
@@ -25,6 +26,7 @@ public class TaskEntity {
     private String description;
     @Enumerated(EnumType.STRING)
     private TaskStatus status;
+    @Column(name = "finished_at")
     private java.time.LocalDateTime finishedAt;
 
     @ManyToOne
diff --git a/backend/src/main/java/net/beetechgroup/beetask/frameworks/persistence/entities/TaskHistoryItemEntity.java b/backend/src/main/java/net/beetechgroup/beetask/frameworks/persistence/entities/TaskHistoryItemEntity.java
index 1838949..2516acf 100644
--- a/backend/src/main/java/net/beetechgroup/beetask/frameworks/persistence/entities/TaskHistoryItemEntity.java
+++ b/backend/src/main/java/net/beetechgroup/beetask/frameworks/persistence/entities/TaskHistoryItemEntity.java
@@ -2,6 +2,7 @@ package net.beetechgroup.beetask.frameworks.persistence.entities;
 
 import java.time.LocalDateTime;
 
+import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
@@ -17,7 +18,9 @@ public class TaskHistoryItemEntity {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
+    @Column(name = "start_at")
     private LocalDateTime startAt;
+    @Column(name = "end_at")
     private LocalDateTime endAt;
 
     @ManyToOne
diff --git a/backend/src/main/resources/application.properties b/backend/src/main/resources/application.properties
index afcf60d..4bccd3c 100644
--- a/backend/src/main/resources/application.properties
+++ b/backend/src/main/resources/application.properties
@@ -8,7 +8,7 @@ quarkus.datasource.password=${DB_PASSWORD:beetask}
 quarkus.datasource.jdbc.url=${DB_URL:jdbc:postgresql://localhost:5432/beetask}
 
 quarkus.flyway.migrate-at-start=true
-quarkus.hibernate-orm.database.generation=validate
+quarkus.hibernate-orm.schema-management.strategy=validate
 
 # Swagger & OpenAPI
 quarkus.smallrye-openapi.path=/openapi