Merge branch 'docker_setup' into 'dev'

testing docker setup

See merge request !3

backend/order-management/.gitlab-ci.yml

+image: gitlab/dind
+services:
+  - docker:dind
+
+variables:
+  DOCKER_DRIVER: overlay
+  SPRING_PROFILES_ACTIVE: gitlab-ci
+  USER_GITLAB: vivaddadhi
+  APP_NAME: order-management
+  REPO: order-management-backend
+
+stages:
+  - build
+  - docker
+
+maven-build:
+  image: maven:3-jdk-8
+  stage: build
+  script: "mvn clean package -B"
+  artifacts:
+    paths:
+      - target/*jar
+
+docker-build:
+  stage: docker
+  script:
+    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
+    - docker build -t registry.gitlab.com/vishalvaddadhi/order-management-backend .
+    - docker push registry.gitlab.com/vishalvaddadhi/order-management-backend
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backend/order-management/Dockerfile

+FROM openjdk:8-alpine
+VOLUME /tmp
+ADD /target/*.jar order-management-0.0.1-SNAPSHOT.jar
+ENTRYPOINT ["java","-jar","/order-management-0.0.1-SNAPSHOT.jar"]
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