dockerfile stuff

README.md

@@ -0,0 +1,2 @@
+Building Ratpack Docker Image
+`./gradlew ratpack:buildImage`

ratpack/build.gradle

@@ -1,14 +1,20 @@
 buildscript {
     repositories {
         jcenter()
+        maven {
+            url 'https://plugins.gradle.org/m2/'
+        }
     }
     dependencies {
         classpath "io.ratpack:ratpack-gradle:1.5.4"
+        classpath 'com.bmuschko:gradle-docker-plugin:3.6.2'
     }
 }
 
 apply plugin: "io.ratpack.ratpack-java"
 apply plugin: "idea"
+apply plugin: "com.bmuschko.docker-remote-api"
+
 
 repositories {
     jcenter()
@@ -20,4 +26,18 @@ dependencies {
     compile project(":lopoo-core")
 }
 
+distZip {
+    // You only need to set this if you have specified an archive version. This removes the version number
+    // from the final distribution package which makes it easier to script in your Dockerfile.
+    archiveName = 'ratpack-docker.zip'
+}
+
+import com.bmuschko.gradle.docker.tasks.image.*
+
+task buildImage(type: DockerBuildImage) {
+    inputDir = new File("${projectDir}")
+    dockerFile = new File("${projectDir}/src/docker/Dockerfile")
+    tag = 'async-talk/ratpack:latest'
+}
+
 mainClassName = "com.gmjm.async.ratpack.Main"

ratpack/src/docker/Dockerfile

@@ -0,0 +1,6 @@
+FROM openjdk:8-jre-alpine
+EXPOSE 5050
+COPY build/distributions/ratpack-docker.zip /opt/ratpack-docker/
+RUN unzip /opt/ratpack-docker/ratpack-docker.zip -d /opt/ratpack-docker
+WORKDIR /opt/ratpack-docker/ratpack-docker
+CMD ["./bin/ratpack", "-fg"]