Add GitLab CI/CD configuration

.gitlab-ci.yml

@@ -0,0 +1,25 @@
+stages:
+  - build
+  - deploy
+
+variables:
+  DOCKER_IMAGE: "daily-briefing-app"
+  CONTAINER_NAME: "daily-briefing-running"
+
+build-image:
+  stage: build
+  tags:
+    - shell
+  script:
+    - docker build -t $DOCKER_IMAGE .
+
+deploy-container:
+  stage: deploy
+  tags:
+    - shell
+  script:
+    - docker stop $CONTAINER_NAME || true
+    - docker rm $CONTAINER_NAME || true
+    - docker run -d --name $CONTAINER_NAME -p 8080:8080 $DOCKER_IMAGE
+  only:
+    - master