Move the build to concourse

Closes gh-767

ci/images/initializr-ci-image/Dockerfile

@@ -0,0 +1,11 @@
+FROM ubuntu:bionic-20181018
+
+ENV JAVA_HOME /opt/openjdk
+ENV PATH $JAVA_HOME/bin:$PATH
+RUN apt-get update && \
+	apt-get install -y curl
+RUN mkdir -p /opt/openjdk && \
+    cd /opt/openjdk && \
+    curl https://java-buildpack.cloudfoundry.org/openjdk/bionic/x86_64/openjdk-1.8.0_192.tar.gz | tar xz
+
+ADD https://raw.githubusercontent.com/spring-io/concourse-java-scripts/v0.0.2/concourse-java.sh /opt/

ci/parameters.yml

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+github-repo: "https://github.com/spring-io/initializr.git"
+github-repo-name: "spring-io/initializr"
+docker-hub-organization: "springci"
+artifactory-server: "https://repo.spring.io"
+branch: "master"
+build-name: "initializr"
+pipeline-name: "initializr"
+concourse-url: "https://ci.spring.io"

ci/pipeline.yml

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+resource_types:
+- name: artifactory-resource
+  type: docker-image
+  source:
+    repository: springio/artifactory-resource
+    tag: 0.0.4
+resources:
+- name: git-repo
+  type: git
+  source:
+    uri: ((github-repo))
+    branch: ((branch))
+    ignore_paths: ["ci/images/*"]
+- name: ci-images-git-repo
+  type: git
+  source:
+    uri: ((github-repo)
+    branch: ((branch))
+    paths: ["ci/images/*"]
+- name: initializr-ci-image
+  type: docker-image
+  source:
+    repository: springci/initializr-ci-image
+    username: ((docker-hub-username))
+    password: ((docker-hub-password))
+    tag: ((branch))
+- name: artifactory-repo
+  type: artifactory-resource
+  source:
+    uri: ((artifactory-server))
+    username: ((artifactory-username))
+    password: ((artifactory-password))
+    build_name: ((build-name))
+jobs:
+- name: build-initializr-ci-image
+  plan:
+  - get: ci-images-git-repo
+    trigger: true
+  - put: initializr-ci-image
+    params:
+      build: ci-images-git-repo/ci/images/initializr-ci-image
+- name: build
+  serial: true
+  plan:
+  - get: git-repo
+  - get: initializr-ci-image
+  - task: build-project
+    image: initializr-ci-image
+    file: git-repo/ci/tasks/build-project.yml
+  - put: artifactory-repo
+    params: &artifactory-params
+      repo: libs-snapshot-local
+      folder: distribution-repository
+      build_uri: "https://ci.spring.io/teams/${BUILD_TEAM_NAME}/pipelines/${BUILD_PIPELINE_NAME}/jobs/${BUILD_JOB_NAME}/builds/${BUILD_NAME}"
+      build_number: "${BUILD_PIPELINE_NAME}-${BUILD_JOB_NAME}-${BUILD_NAME}"
+      disable_checksum_uploads: true
+groups:
+- name: "Build"
+  jobs:
+  - build
+- name: "CI Images"
+  jobs:
+  - build-initializr-ci-image

ci/scripts/build-project.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+repository=$(pwd)/distribution-repository
+
+pushd git-repo > /dev/null
+./mvnw clean deploy -U -Pfull -DaltDeploymentRepository=distribution::default::file://${repository}
+popd > /dev/null

ci/tasks/build-project.yml

@@ -0,0 +1,8 @@
+---
+platform: linux
+inputs:
+- name: git-repo
+outputs:
+- name: distribution-repository
+run:
+  path: git-repo/ci/scripts/build-project.sh