diff --git a/pom.xml b/pom.xml
index aab1aee..008811f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,6 +60,10 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-jdbc-h2</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-flyway</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-smallrye-jwt</artifactId>
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 199dabd..70803db 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -8,8 +8,12 @@ quarkus.datasource.db-kind=h2
 quarkus.datasource.jdbc.url=jdbc:h2:file:./data/shots;DB_CLOSE_DELAY=-1
 quarkus.datasource.username=sa
 quarkus.datasource.password=
-quarkus.hibernate-orm.database.generation=create-drop
+quarkus.hibernate-orm.database.generation=validate
 quarkus.hibernate-orm.log.sql=false
+# Flyway maneja el schema. validate hace que Hibernate solo valide
+# que el schema en DB coincide con las entities, sin tocarlo.
+quarkus.flyway.migrate-at-start=true
+quarkus.flyway.baseline-on-migrate=true
 
 # JWT
 mp.jwt.verify.issuer=shot-crafter-calculator
diff --git a/src/main/resources/db/migration/V1__init.sql b/src/main/resources/db/migration/V1__init.sql
new file mode 100644
index 0000000..98f7d28
--- /dev/null
+++ b/src/main/resources/db/migration/V1__init.sql
@@ -0,0 +1,32 @@
+CREATE TABLE users (
+    id UUID PRIMARY KEY,
+    username VARCHAR(30) NOT NULL UNIQUE,
+    password_hash VARCHAR(100) NOT NULL,
+    created_at TIMESTAMP NOT NULL,
+    must_change_password BOOLEAN NOT NULL,
+    is_admin BOOLEAN NOT NULL,
+    last_login_at TIMESTAMP
+);
+
+CREATE TABLE user_state (
+    user_id UUID PRIMARY KEY,
+    state_json TEXT NOT NULL,
+    updated_at TIMESTAMP NOT NULL
+);
+
+CREATE TABLE production_runs (
+    id UUID PRIMARY KEY,
+    user_id UUID NOT NULL,
+    created_at TIMESTAMP NOT NULL,
+    label VARCHAR(100),
+    total_cost BIGINT NOT NULL,
+    total_sale BIGINT NOT NULL,
+    total_profit BIGINT NOT NULL,
+    total_shots BIGINT NOT NULL,
+    total_cristales_used BIGINT NOT NULL,
+    total_ore_used BIGINT NOT NULL,
+    items_json TEXT NOT NULL,
+    snapshot_json TEXT NOT NULL
+);
+
+CREATE INDEX idx_runs_user_created ON production_runs (user_id, created_at);