diff --git a/.gitignore b/.gitignore
index cd70ec8..c011414 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.env
 .gradle
 build/
 !gradle/wrapper/gradle-wrapper.jar
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..6196572
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,38 @@
+services:
+#  spring-boot-kotlin-app:
+#    image: 'spring-boot-kotlin-app:latest'  # Specifies the Docker image for the Spring Boot application
+#    build:
+#      context: .  # Specifies the build context, which is the current directory
+#    container_name: spring-boot-kotlin-app  # Names the container 'spring-boot-kotlin-app'
+#    depends_on:
+#      - db  # Ensures that the 'db' service starts before the 'spring-boot-kotlin-app' service
+#    environment:
+#      - SPRING_DATASOURCE_URL=${SPRING_DATASOURCE_URL}
+#      - SPRING_DATASOURCE_USERNAME=${POSTGRES_USER}
+#      - SPRING_DATASOURCE_PASSWORD=${POSTGRES_PASSWORD}
+#      - SPRING_JPA_HIBERNATE_DDL_AUTO=update  # Configures Hibernate to update the database schema
+#    ports:
+#      - "8456:8456"
+#    networks:
+#      - app-network
+
+  db:
+    image: postgres:latest
+    container_name: db
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - POSTGRES_DB=${POSTGRES_DB}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data  # Mounts a volume to persist PostgreSQL data
+    ports:
+       - "5432:5432"
+    networks:
+      - app-network
+
+volumes:
+  postgres_data:  # Defines a named volume for PostgreSQL data persistence
+
+networks:
+  app-network:
+    driver: bridge
\ No newline at end of file
diff --git a/src/main/kotlin/de/tobjend/strategy/model/Game.kt b/src/main/kotlin/de/tobjend/strategy/model/Game.kt
new file mode 100644
index 0000000..8b7321f
--- /dev/null
+++ b/src/main/kotlin/de/tobjend/strategy/model/Game.kt
@@ -0,0 +1,17 @@
+package de.tobjend.strategy.model
+
+import jakarta.persistence.*
+
+@Entity
+@Table(name = "games")
+data class Game(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long = 0,
+
+    @Column(name = "name", nullable = false)
+    val name: String,
+
+    @OneToMany(mappedBy = "game", cascade = [CascadeType.ALL], fetch = FetchType.LAZY, orphanRemoval = true)
+    val players: MutableList<Player> = mutableListOf()
+)
\ No newline at end of file
diff --git a/src/main/kotlin/de/tobjend/strategy/model/Player.kt b/src/main/kotlin/de/tobjend/strategy/model/Player.kt
new file mode 100644
index 0000000..092b0c2
--- /dev/null
+++ b/src/main/kotlin/de/tobjend/strategy/model/Player.kt
@@ -0,0 +1,5 @@
+package de.tobjend.strategy.model
+
+data class Players(
+    val players: List<Player>
+)
\ No newline at end of file
diff --git a/src/main/kotlin/de/tobjend/strategy/model/Players.kt b/src/main/kotlin/de/tobjend/strategy/model/Players.kt
new file mode 100644
index 0000000..479fd5d
--- /dev/null
+++ b/src/main/kotlin/de/tobjend/strategy/model/Players.kt
@@ -0,0 +1,21 @@
+package de.tobjend.strategy.model
+
+import jakarta.persistence.*
+
+@Entity
+@Table(name = "players")
+data class Player(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long = 0,
+
+    @Column(name = "name", nullable = false)
+    val name: String,
+
+    @Column(name = "position", nullable = false)
+    val position: String,
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "game_id")
+    var game: Game? = null
+)
\ No newline at end of file
diff --git a/src/main/kotlin/de/tobjend/strategy/model/Strategy.kt b/src/main/kotlin/de/tobjend/strategy/model/Strategy.kt
new file mode 100644
index 0000000..a51bd49
--- /dev/null
+++ b/src/main/kotlin/de/tobjend/strategy/model/Strategy.kt
@@ -0,0 +1,19 @@
+package de.tobjend.strategy.model
+
+import jakarta.persistence.*
+
+@Entity(name = "strategies")
+ data class Strategy(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long = 0,
+
+    @Column(name = "name", nullable = false)
+    val name: String,
+
+    @Column(name = "description", nullable = true)
+    val description: String?,
+
+    @Column(name = "effectiveness")
+    val effectiveness: Double
+)
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 3c783b1..af70d4d 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1 +1,6 @@
 spring.application.name=strategy
+spring.datasource.url=jdbc:postgresql://localhost:5432/strategy
+spring.datasource.username=tobi
+spring.datasource.password=risICE3
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect