Added some more stages such as release and refactored to use the gitlab registry

Signed-off-by: Louis Vallat <louis@louis-vallat.xyz>

.gitlab-ci.yml

@@ -1,13 +1,12 @@
-# This file is a template, and might need editing before it works on your project.
-# Build JAVA applications using Apache Maven (http://maven.apache.org)
-# For docker image tags see https://hub.docker.com/_/maven/
-#
-# For general lifecycle information see https://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html
+image: docker:latest
+services:
+  - docker:dind
 
-# This template will build and test your projects
-# * Caches downloaded dependencies and plugins between invocation.
-# * Verify but don't deploy merge requests.
-# * Deploy built artifacts from master branch only.
+stages:
+  - build
+  - test
+  - package
+  - release
 
 variables:
   # This will suppress any download for dependencies and plugins or upload messages which would clutter the console log.
@@ -17,9 +16,12 @@ variables:
   # when running from the command line.
   # `installAtEnd` and `deployAtEnd` are only effective with recent version of the corresponding plugins.
   MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true"
+  # Use TLS https://docs.gitlab.com/ee/ci/docker/using_docker_build.html#tls-enabled
+  DOCKER_HOST: tcp://docker:2376
+  DOCKER_TLS_CERTDIR: "/certs"
+  CONTAINER_BRANCH_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
+  CONTAINER_RELEASE_IMAGE: $CI_REGISTRY_IMAGE:latest
 
-# This template uses jdk8 for verifying and deploying images
-image: maven:3.6.3-jdk-14
 
 # Cache downloaded dependencies and plugins between builds.
 # To keep cache across branches add 'key: "$CI_JOB_NAME"'
@@ -29,12 +31,54 @@ cache:
 
 # Compile
 compile: &compile
+  # This template uses jdk8 for verifying and deploying images
+  image: maven:3.6.3-jdk-14
   stage: build
   script:
     - 'mvn $MAVEN_CLI_OPTS compile'
+  cache:
+    key: "$CI_COMMIT_REF_NAME"
+    policy: push
+    paths: .m2/repository
 
 # Run tests
 test: &test
+  image: maven:3.6.3-jdk-14
   stage: test
   script:
     - 'mvn $MAVEN_CLI_OPTS test'
+  cache:
+    key: "$CI_COMMIT_REF_NAME"
+    policy: pull
+    paths: .m2/repository
+
+package:
+  image: maven:3.6.3-jdk-14
+  stage: package
+  script: 'mvn $MAVEN_CLI_OPTS assemble:single'
+  cache:
+    key: "$CI_COMMIT_REF_NAME"
+    policy: push
+    paths: .m2/repository
+  artifacts:
+    paths:
+      - target/*.jar
+
+release:
+  stage: release
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build . -t $CONTAINER_BRANCH_IMAGE
+    - docker push $CONTAINER_BRANCH_IMAGE
+  except:
+    - master
+
+release-master:
+  stage: release
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker build . -t $CONTAINER_RELEASE_IMAGE
+    - docker push $CONTAINER_RELEASE_IMAGE
+  only:
+    - master
+