optimize setup

Signed-off-by: Peter Siegmund <developer@mars3142.org>

Dockerfile

@@ -9,12 +9,12 @@ WORKDIR /usr/src/app/
 RUN chown app:app /usr/src/app/
 USER app
 
-# Copy pom.xml and prefetch dependencies so a repeated build can continue from the next step with existing dependencies
+# Copy all needed project files to a folder
 COPY --chown=app ./gradle/ ./gradle
 COPY --chown=app ./gradlew ./build.gradle ./settings.gradle ./
+COPY --chown=app ./src ./src
 
-# Copy all needed project files to a folder
+RUN curl -OL https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/latest/download/opentelemetry-javaagent.jar
-COPY --chown=app:app ./src ./src
 
 # Build the production package
 RUN ./gradlew clean build -x test
@@ -26,6 +26,9 @@ RUN useradd -m app
 USER app
 
 COPY --chown=app --from=build /usr/src/app/build/libs/*-SNAPSHOT.jar /usr/app/eureka.jar
+COPY --chown=app --from=build /usr/src/app/opentelemetry-javaagent.jar /usr/app/opentelemetry-javaagent.jar
+
+HEALTHCHECK CMD curl --fail http://localhost:8761/actuator/health/liveness || exit 1
 
 EXPOSE 8761
 CMD ["java", "-jar", "/usr/app/eureka.jar"]

Makefile

@@ -0,0 +1,17 @@
+REMOTE_HOST = mars3142@172.16.20.1
+PROJECT_NAME = firmware-hq
+SERVICE_NAME = eureka-service
+RASPI_PATH = /mnt/data/${PROJECT_NAME}
+
+install: build deploy import
+
+build:
+	docker buildx build --platform linux/arm64 --no-cache -t ${PROJECT_NAME}/${SERVICE_NAME}:latest -o type=docker,dest=./${SERVICE_NAME}-arm64.tar .
+
+deploy:
+	scp ./${SERVICE_NAME}-arm64.tar ${REMOTE_HOST}:${RASPI_PATH}/
+
+import:
+	ssh ${REMOTE_HOST} "sudo docker load -i ${RASPI_PATH}/${SERVICE_NAME}-arm64.tar && rm ${RASPI_PATH}/${SERVICE_NAME}-arm64.tar"
+
+.PHONY: build deploy import

app.json

@@ -1,14 +0,0 @@
-{
-  "healthchecks": {
-    "web": [
-      {
-        "type":        "readiness",
-        "name":        "web check",
-        "description": "Checking if the app responds to the /actuator/health/readiness endpoint",
-        "path":        "/actuator/health/readiness",
-        "port": 8761,
-        "attempts": 3
-      }
-    ]
-  }
-}

build.gradle

@@ -1,8 +1,7 @@
 plugins {
 	id 'java'
-	id 'org.springframework.boot' version '3.3.4'
+	id 'org.springframework.boot' version '3.4.0'
 	id 'io.spring.dependency-management' version '1.1.6'
-	id "io.sentry.jvm.gradle" version "4.11.0"
 }
 
 group = 'dev.mars3142.fhq'
@@ -19,14 +18,14 @@ repositories {
 }
 
 ext {
-	set('springCloudVersion', "2023.0.3")
+	set('springCloudVersion', "2024.0.0")
 }
 
 dependencies {
-	implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-server'
-	implementation 'com.github.ben-manes.caffeine:caffeine:3.1.8'
-	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
+	implementation 'com.github.ben-manes.caffeine:caffeine:3.1.8'
+	implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-server'
+	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 }
 

src/main/resources/application.yaml

@@ -37,10 +37,12 @@ spring:
     name: eureka-service
 
 eureka:
+  instance:
+    hostname: localhost
   client:
     registerWithEureka: false
     fetchRegistry: false
-  datacenter: hel1-dc2
+    serviceUrl:
+      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
+  datacenter: rpi5-1
   environment: production
-  instance:
-    instanceId: ${spring.application.name}:${spring.application.instance_id:${random.value}}