Add gitlab ci stuff

Author: jrevillard

.gitignore

@@ -13,3 +13,4 @@ state.yaml
 plan.json
 test.py
 /generated/
+/.apt_generated/

.gitlab-ci.yml

@@ -0,0 +1,51 @@
+
+stages:
+  - package
+  - deploy
+
+include:
+  - project: 'devops/containers/kaniko-docker-build'
+    ref: v1.0.2
+    file: '/.build_with_kaniko.yml'
+
+######################## TEMPLATES ######################
+.build-docker-image:
+  
+  extends: .build_with_kaniko
+  except:
+    refs:
+      - tags
+      - master
+
+.push-docker-image:
+  extends: .build_with_kaniko
+  only:
+    refs:
+      - tags
+      - master
+
+######################## JOBS ########################
+build-docker:
+  stage: package
+  extends: .build-docker-image
+  variables:
+    KANIKO_EXECUTOR_EXTRA_OPTS: "--no-push"
+  cache:
+    key: $CI_PIPELINE_ID
+    paths:
+    - .m2/repository
+    - target
+    policy: pull
+
+push-docker:
+  stage: deploy
+  extends: .push-docker-image
+  variables:
+    KANIKO_EXECUTOR_EXTRA_OPTS: ""
+  cache:
+    key: $CI_PIPELINE_ID
+    paths:
+    - .m2/repository
+    - target
+    policy: pull
+

Dockerfile

@@ -1,7 +1,11 @@
-FROM openjdk:8-jre-slim
+FROM gradle:4.7.0-jdk8-alpine AS build
+COPY --chown=gradle:gradle . /home/gradle/src
+WORKDIR /home/gradle/src
+RUN gradle clean build buildRelease -x test --no-daemon
 
+FROM openjdk:8-jre-slim
 RUN apt-get update && apt-get --yes upgrade && \
     apt-get install -y python3 python3-pip curl && \
     rm -rf /var/lib/apt/lists/*
 
-COPY ./build/output/kafka-gitops /usr/local/bin/kafka-gitops
+COPY --from=build /home/gradle/src/build/output/kafka-gitops /usr/local/bin/kafka-gitops

Dockerfile.local

@@ -0,0 +1,7 @@
+FROM openjdk:8-jre-slim
+
+RUN apt-get update && apt-get --yes upgrade && \
+    apt-get install -y python3 python3-pip curl && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY ./build/output/kafka-gitops /usr/local/bin/kafka-gitops