Initial version of the Quarkus stack [Replacing PR #94] (#120)

experimental/quarkus/LICENSE

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experimental/quarkus/README.md

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+# Quarkus Stack
+
+The Quarkus stack is designed to provide a foundation for building and running Java applications on Quarkus with Appsody.
+
+This stack is based on the `Quarkus 0.18.0` runtime. It allows you to develop new or existing Java applications that run on Quarkus and can be turned into a native executable for a low memory footprint and near instantaneous (< 10ms) start times.
+
+## What is Quarkus?
+
+See: https://quarkus.io/
+
+> Kubernetes Native Java stack tailored for GraalVM & OpenJDK HotSpot, crafted from the best of breed Java libraries and standards
+
+## Templates
+
+Templates are used to create your local project and start your development. When initializing your project you will be provided with the default template project. This template provides a simple Java application with a JAX-RS "Hello World!" REST API example and a simple HTML welcome page.
+
+## Getting Started
+
+1. Create a new folder in your local directory and initialize it using the Appsody CLI, e.g.:
+
+    ```bash
+    mkdir my-project
+    cd my-project
+    appsody init quarkus
+    ```
+    This will initialize a Quarkus project using the default template.
+
+1. After your project has been initialized you can then run your application using the following command:
+
+    ```bash
+    appsody run
+    ```
+
+    This launches a Docker container with Quarkus running in developer mode. Changes to your code (on your local disk) will automatically be detected by Quarkus (running in the container) and will be live reloaded. It also exposes port 8080, for accessing the example REST API and welcome page.
+
+    You can continue to edit the application in your preferred IDE/editor and your changes will be reflected in the running container instantly.
+
+3. You can try your application by visiting http://0.0.0.0:8080/ and observing the welcome page. You can also visit http://0.0.0.0:8080/hello/greeting/paul to try the REST API. 
+
+4. To try out the live reload:
+
+    # Edit ./src/main/resources/META-INF/resources/index.html
+    # Make a change to the HTML
+    # Hit save in your IDE/editor
+    # Refresh the page at http://0.0.0.0:8080/
+
+You can also edit `/src/main/java/org/acme/quickstart/GreetingResource.java` and save, the REST API will be live-reloaded on the next invocation.
+
+## Building a Production Image
+Running `appsody build` will create a production image that typically boots in under 10ms. Quarkus achieves this fast boot time by using ahead of time compilation of Java into a native executable using [GraalVM](https://www.graalvm.org/). The `appsody build` process can take around 5 minutes due to the amount of time required to build a native executable.
+
+To try this, run:
+
+    ```appsody build
+    docker run -i --rm -p 8080:8080 default:latest
+    ```
+
+Running the production container should give you an output similar to:
+
+    ```2019-07-16 12:43:21,918 INFO  [io.quarkus] (main) Quarkus 0.18.0 started in 0.006s. Listening on: http://0.0.0.0:8080
+    2019-07-16 12:43:21,918 INFO  [io.quarkus] (main) Installed features: [cdi, resteasy]
+    ```
+
+You can verify that this worked by visiting http://0.0.0.0:8080/ and observing the welcome page. You can also visit http://0.0.0.0:8080/hello/greeting/paul to try the REST API. 

experimental/quarkus/image/Dockerfile-stack

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+# Dockerfile for building the stack
+FROM quay.io/quarkus/centos-quarkus-maven:19.0.2
+
+COPY ./project /project
+WORKDIR /project
+
+USER root
+RUN mkdir -p /mvn/repository
+RUN mvn -Dmaven.repo.local=/mvn/repository install dependency:go-offline -DskipTests
+
+ENV APPSODY_MOUNTS=/:/project/user-app
+ENV APPSODY_DEPS=/mvn/repository
+
+ENV APPSODY_RUN="./mvnw -Dmaven.repo.local=/mvn/repository compile quarkus:dev"
+ENV APPSODY_RUN_ON_CHANGE=""
+ENV APPSODY_RUN_KILL=false
+
+ENV APPSODY_DEBUG="./mvnw -Dmaven.repo.local=/mvn/repository -Ddebug compile quarkus:dev"
+ENV APPSODY_DEBUG_ON_CHANGE=""
+ENV APPSODY_DEBUG_KILL=false
+
+ENV APPSODY_TEST="./mvnw -Dmaven.repo.local=/mvn/repository test"
+ENV APPSODY_TEST_ON_CHANGE="./mvnw -Dmaven.repo.local=/mvn/repository test"
+ENV APPSODY_TEST_KILL=true
+
+WORKDIR /project/user-app
+
+ENV PORT=8080
+
+EXPOSE 8080
+EXPOSE 5005
+

experimental/quarkus/image/project/Dockerfile

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+## Stage 1 : build with maven builder image with native capabilities
+FROM quay.io/quarkus/centos-quarkus-maven:19.0.2 AS build
+
+COPY . /project
+
+# Install user-app dependencies
+WORKDIR "/project/user-app"
+COPY ./user-app/src ./src
+COPY ./user-app/pom.xml ./
+USER root
+RUN chown -R quarkus .
+USER quarkus
+RUN mvn -Pnative clean package
+
+
+## Stage 2 : create the docker final image
+FROM registry.access.redhat.com/ubi8/ubi-minimal
+
+WORKDIR /work/
+COPY --from=build /project/user-app/target/*-runner /work/application
+RUN chmod 775 /work
+EXPOSE 8080
+CMD ["./application", "-Dquarkus.http.host=0.0.0.0"]

experimental/quarkus/image/project/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project>
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>dev.appsody</groupId>
+    <artifactId>quarkus</artifactId>
+    <version>0.0.1</version>
+    <packaging>pom</packaging>
+
+    <properties>
+        <quarkus.version>0.18.0</quarkus.version>
+        <surefire-plugin.version>2.22.1</surefire-plugin.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <repositories>
+        <repository>
+            <id>localrepository</id>
+            <url>/mvn/repository</url>
+        </repository>
+    </repositories>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>io.quarkus</groupId>
+                <artifactId>quarkus-bom</artifactId>
+                <version>${quarkus.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+</project>

experimental/quarkus/stack.yaml

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+name: Quarkus
+version: 0.1.0
+description: Quarkus runtime for running Java applications
+license: Apache-2.0
+maintainers:
+  - name: Paul Robinson
+    email: probinso@redhat.com
+    github-id: paulrobinson
+default-template: default

experimental/quarkus/templates/default/.appsody-config.yaml

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+# config file for application development
+stack: appsody/java-quarkus:0.1