diff --git a/.gitignore b/.gitignore
index 3b191483..990eb61c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,4 @@ out/
 
 **/resources/.env
 **/resources/.env.*
+!**/resources/.env.example
diff --git a/build.gradle.kts b/build.gradle.kts
index 8ba79165..88856e5e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -20,6 +20,23 @@ repositories {
 
 dependencies {
     implementation("org.springframework.boot:spring-boot-starter")
+    implementation("org.springframework.boot:spring-boot-starter-web")
+    implementation("org.springframework.boot:spring-boot-starter-data-jpa")
+    implementation("org.springframework.boot:spring-boot-starter-validation")
+    implementation("org.postgresql:postgresql:42.7.3")
+    implementation("me.paulschwarz:spring-dotenv:4.0.0")
+
+    // Lombok
+    annotationProcessor("org.projectlombok:lombok:1.18.34")
+    testCompileOnly("org.projectlombok:lombok:1.18.34")
+    testAnnotationProcessor("org.projectlombok:lombok:1.18.34")
+
+    // testcontainers
+    testImplementation("org.testcontainers:testcontainers:1.20.0")
+    testImplementation("org.testcontainers:junit-jupiter:1.20.0")
+    testImplementation("org.testcontainers:jdbc:1.20.0")
+    testImplementation("org.testcontainers:postgresql:1.20.0")
+
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 }
diff --git a/src/main/resources/.env.example b/src/main/resources/.env.example
new file mode 100644
index 00000000..c3ff71d6
--- /dev/null
+++ b/src/main/resources/.env.example
@@ -0,0 +1,5 @@
+DATABASE_HOST=
+DATABASE_PORT=
+DATABASE_NAME=
+DATABASE_USER=
+DATABASE_PASSWORD=
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
deleted file mode 100644
index 22ca8c47..00000000
--- a/src/main/resources/application.properties
+++ /dev/null
@@ -1 +0,0 @@
-spring.application.name= run-us
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
new file mode 100644
index 00000000..9d053821
--- /dev/null
+++ b/src/main/resources/application.yml
@@ -0,0 +1,25 @@
+spring.application.name: run-us
+
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: none
+    show-sql: true
+    open-in-view: false
+
+  datasource:
+    driver-class-name: org.postgresql.Driver
+    url: jdbc:postgresql://${DATABASE_HOST}:${DATABASE_PORT}/${DATABASE_NAME}
+    username: ${DATABASE_USER}
+    password: ${DATABASE_PASSWORD}
+
+---
+spring.config.activate.on-profile: local
+
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: update
+
+---
+spring.config.activate.on-profile: prod
diff --git a/src/test/resources/application.yml b/src/test/resources/application.yml
new file mode 100644
index 00000000..0ff7be5a
--- /dev/null
+++ b/src/test/resources/application.yml
@@ -0,0 +1,11 @@
+spring:
+  jpa:
+    hibernate:
+      ddl-auto: create
+    show-sql: true
+    open-in-view: false
+    defer-datasource-initialization: true
+
+  datasource:
+    driver-class-name: org.testcontainers.jdbc.ContainerDatabaseDriver
+    url: jdbc:tc:postgresql:16.3://test