Update gradle wrapper to 5.4.1

Update startup messaging
Add shadow jar to build fat jar with deps for release
Add configurable startup port

Author: rdbatch

build.gradle.kts

@@ -5,10 +5,12 @@ val http4kVersion = "3.140.0"
 
 plugins {
     kotlin("jvm") version "1.3.31"
+    id("com.github.johnrengelman.shadow") version "5.0.0"
 }
 
 group = "com.batchofcode"
-version = "1.0-SNAPSHOT"
+version = "0.1-SNAPSHOT"
+val artifactId = "aws-lambda-runtime-local"
 
 repositories {
     mavenCentral()
@@ -28,4 +30,10 @@ dependencies {
 
 tasks.withType<KotlinCompile> {
     kotlinOptions.jvmTarget = "11"
+}
+
+val jar by tasks.getting(Jar::class) {
+    manifest {
+        attributes["Main-Class"] = "com.batchofcode.runtimelocal.handler.RootHandlerKt"
+    }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/kotlin/com/batchofcode/runtimelocal/config/EnvConfig.kt

@@ -0,0 +1,5 @@
+package com.batchofcode.runtimelocal.config
+
+object EnvConfig {
+    val port = System.getProperty("port")?.toInt() ?: 9000
+}

src/main/kotlin/com/batchofcode/runtimelocal/handler/RootHandler.kt

@@ -1,19 +1,24 @@
 package com.batchofcode.runtimelocal.handler
 
+import com.batchofcode.runtimelocal.config.EnvConfig
 import org.http4k.core.then
 import org.http4k.filter.ServerFilters
 import org.http4k.server.ApacheServer
 import org.http4k.server.asServer
 
 fun main() {
-    val port = 9000
+    val port = EnvConfig.port
 
     ServerFilters.CatchAll()
         .then(Routes())
         .asServer(ApacheServer(port)).start()
 
     println("Started Lambda Runtime Local on Port $port")
+    println("Available Lambda Runtime Endpoints ------------------------------------------------")
     println("GET invocations - http://localhost:$port/2018-06-01/runtime/invocation/next")
-    println("POST events - http://localhost:$port/2018-06-01/runtime/events/next")
+    println("POST invocation error - http://localhost:$port/2018-06-01/runtime/invocation/error")
     println("POST init error - http://localhost:$port/2018-06-01/runtime/init/error")
+    println("-----------------------------------------------------------------------------------")
+    println("Helper Endpoints:")
+    println("POST events - http://localhost:$port/events/next")
 }