Set up project structure

src/main/kotlin/ltd/lulz/Application.kt

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+package ltd.lulz
+
+import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.runApplication
+
+@SpringBootApplication
+class Application
+
+fun main(vararg args: String) {
+    runApplication<Application>(*args)
+}

src/main/resources/ logback-spring.xml

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+<configuration>
+  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+    <encoder>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+    </encoder>
+  </appender>
+  <root level="INFO">
+    <appender-ref ref="STDOUT"/>
+  </root>
+  <springProfile name="development">
+    <logger level="TRACE" name="ltd.lulz"/>
+  </springProfile>
+  <springProfile name="docker">
+    <logger level="DEBUG" name="ltd.lulz"/>
+  </springProfile>
+</configuration>

src/main/resources/META-INF/additional-spring-configuration-metadata.json

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+{
+  "properties": [
+    {
+      "name": "spring.application.version",
+      "type": "java.lang.String",
+      "description": "Application version."
+    },
+    {
+      "name": "spring.application.build.time",
+      "type": "java.lang.String",
+      "description": "Application build time."
+    },
+    {
+      "name": "spring.application.build.os.name",
+      "type": "java.lang.String",
+      "description": "Application build os name."
+    },
+    {
+      "name": "spring.application.build.os.version",
+      "type": "java.lang.String",
+      "description": "Application build os version."
+    }
+  ]
+}

src/main/resources/application.yml

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+spring:
+  application:
+    name: "%APP_NAME%"
+    version: "%APP_VERSION%"
+    build:
+      time: "%APP_BUILD_TIME%"
+      os:
+        name: "%APP_BUILD_OS_NAME%"
+        version: "%APP_BUILD_OS_VERSION%"
+  profiles:
+    active: development
+
+management:
+  endpoint:
+    health:
+      access: read_only
+      show-details: always
+    info:
+      access: read_only
+  endpoints:
+    access:
+      default: none
+    web:
+      exposure:
+        include: "health,info"
+
+---
+###############################
+### Development environment ###
+###############################
+spring:
+  config:
+    activate:
+      on-profile: development
+
+---
+##########################
+### Docker environment ###
+##########################
+spring:
+  config:
+    activate:
+      on-profile: docker
+
+---
+##############################
+### Kubernetes environment ###
+##############################
+spring:
+  config:
+    activate:
+      on-profile: kubernetes

src/main/resources/banner.txt

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+
+ _|                  _|                            _|_|_|                                  _|
+ _|        _|    _|  _|        _|_|_|_|          _|          _|_|    _|  _|_|  _|      _|        _|_|_|    _|_|
+ _|        _|    _|  _|            _|              _|_|    _|_|_|_|  _|_|      _|      _|  _|  _|        _|_|_|_|
+ _|        _|    _|  _|          _|                    _|  _|        _|          _|  _|    _|  _|        _|
+ _|_|_|_|    _|_|_|  _|_|_|_|  _|_|_|_|          _|_|_|      _|_|_|  _|            _|      _|    _|_|_|    _|_|_|
+
+ :: Service     :: ${spring.application.name}
+ :: Version     :: ${spring.application.version}
+ :: Build time  :: ${spring.application.build.time}
+ :: Build OS    :: ${spring.application.build.os.name} v${spring.application.build.os.version}

src/test/kotlin/ltd/lulz/service/ApplicationTest.kt

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+package ltd.lulz.service
+
+import org.junit.jupiter.api.Test
+
+class ApplicationTest {
+
+    @Test
+    fun contextLoads() {
+        // placeholder
+    }
+}