initial commit2

gateway/Dockerfile

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+FROM gradle:8-jdk17 AS build
+WORKDIR /app
+COPY . .
+RUN gradle :gateway:shadowJar --no-daemon
+
+FROM eclipse-temurin:17-jre
+WORKDIR /app
+COPY --from=build /app/gateway/build/libs/Lab7-gateway-1.0-all.jar gateway.jar
+EXPOSE 9090
+CMD ["java", "-jar", "gateway.jar"]

gateway/build.gradle

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+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '2.2.0'
+    id 'org.jetbrains.kotlin.plugin.serialization' version '2.2.0'
+    id 'com.gradleup.shadow' version '9.3.1'
+    id 'org.jetbrains.dokka' version '2.2.0'
+}
+
+group = 'lab8.prog'
+version = '1.0'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.0")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.0")
+    implementation project(':common')
+}
+
+test {
+    useJUnitPlatform()
+}
+
+
+shadowJar {
+    archiveBaseName.set('Lab7-gateway')
+    archiveVersion.set('1.0')
+    manifest {
+        attributes 'Main-Class': 'MainKt'
+    }
+}
+
+kotlin {
+    jvmToolchain(17)
+}

gateway/build/kotlin/compileKotlin/cacheable/caches-jvm/lookups/counters.tab

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+15
+0

gateway/build/tmp/jar/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: MainKt
+

gateway/build/tmp/shadowJar/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: MainKt
+Multi-Release: true
+

gateway/src/main/kotlin/Main.kt

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+import core.GatewayManager
+
+fun main(args: Array<String>) {
+    val listenPort = if (args.isNotEmpty()) args[0].toInt() else 9090
+    val backends = System.getenv("BACKENDS") ?: "localhost:8080,localhost:8081,localhost:8082"
+
+    val gateway = GatewayManager(
+        listenPort = listenPort,
+        backendsConfig = backends,
+        healthCheckIntervalMs = 5_000L,
+        discoveryIntervalMs = 15_000L,
+        probeTimeoutMs = 7_000
+    )
+
+    Runtime.getRuntime().addShutdownHook(Thread {
+        gateway.stop()
+    })
+
+    gateway.start()
+}