diff --git a/build.gradle b/build.gradle
index d29ab42..2bfa3b7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -34,6 +34,7 @@ repositories {
 dependencies {
 	implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.2.0'
 	implementation 'org.postgresql:postgresql:42.6.0'
+	runtimeOnly 'com.h2database:h2'
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	testImplementation 'org.testcontainers:testcontainers:1.19.1'
diff --git a/src/main/resources/application-sandbox.properties b/src/main/resources/application-sandbox.properties
deleted file mode 100644
index e166b60..0000000
--- a/src/main/resources/application-sandbox.properties
+++ /dev/null
@@ -1,8 +0,0 @@
-spring.datasource.url= jdbc:postgresql://db:5432/petstore
-spring.datasource.username= postgres
-spring.datasource.password= postgres123
-spring.datasource.driver-class-name=org.postgresql.Driver
-spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
-spring.jpa.show-sql=true
-## Hibernate ddl auto (create, create-drop, validate, update)
-spring.jpa.hibernate.ddl-auto=update
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 9cba4d2..3bbd15f 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1,8 +1,8 @@
-spring.datasource.url= jdbc:postgresql://localhost:5432/petstore
-spring.datasource.username= postgres
-spring.datasource.password= postgres123
-spring.datasource.driver-class-name=org.postgresql.Driver
-spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
+spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=password
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
 spring.jpa.show-sql=true
 ## Hibernate ddl auto (create, create-drop, validate, update)
 spring.jpa.hibernate.ddl-auto=update
\ No newline at end of file