CI: implement build of container to staging

.gitlab-ci.yml

 variables:
   DOCKER_TLS_CERTDIR: ""
   GIT_STRATEGY: clone
-  REGISTRY_USER: chembl/unichem
-  APPLICATION: malaria-frontend
+  REGISTRY_USER: chembl/research
+  APPLICATION: lina-web
   RELEASE_IMAGE: $CI_REGISTRY/$REGISTRY_USER/$APPLICATION:$CI_BUILD_REF_NAME
   DOCKER_IMAGE: $CI_REGISTRY/$REGISTRY_USER/$APPLICATION
   DOCKER_DRIVER: overlay
@@ -18,24 +18,20 @@ stages:
   # - deploy
 
 build-dev:
+  image:
+    name: docker/compose:1.25.5
+    entrypoint: ["/bin/sh", "-c"]
+  stage: build
+  only:
+    - stagings
+  variables:
+    DOCKER_HOST: tcp://docker:2375
   script:
-    - echo 'hello!'
-# build-dev:
-#   image:
-#     name: docker/compose:1.25.5
-#     entrypoint: ["/bin/sh", "-c"]
-#   stage: build
-#   only:
-#     - dev
-#     # - master
-#   variables:
-#     DOCKER_HOST: tcp://docker:2375
-#   script:
-#     - echo $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
-#     - echo Building ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA}
-#     - docker-compose build development
-#     - echo Deploying ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA}
-#     - docker push ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA}
+    - echo $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
+    - echo Building ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA}
+    - docker-compose build development
+    - echo Deploying ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA}
+    - docker push ${DOCKER_IMAGE}:${CI_COMMIT_SHORT_SHA}
 
 # build-prod:
 #   image: