CI: add docker upload job

Change-Id: Ic1e079b04b4eebf6c67fb25074c57fd6f45be83b
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 065acda..afc38a6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -123,10 +123,7 @@
     - apk update
     - apk add --no-cache git
   script:
-    - ESCAPED_PWD=$(echo $CI_PROJECT_DIR | sed 's/\//\\\//g')
-    - echo $ESCAPED_PWD
     - sed -i -e "s/RUN rm -rf example-models//" Dockerfile
-    - cat Dockerfile
     - docker build -f Dockerfile -t idscorpuslinguistics/derekovecs:$VID-large .
     - wget https://github.com/slimtoolkit/slim/releases/latest/download/dist_linux.tar.gz
     - tar zxf dist_linux.tar.gz
@@ -137,3 +134,23 @@
   artifacts:
     paths:
       - derekovecs.tar.xz
+
+upload-docker:
+  only:
+    - master
+    - tags
+  variables:
+    VID: $CI_COMMIT_TAG
+  stage: deploy
+  image: docker:latest
+  services:
+    - docker:dind
+  script:
+    - env
+    - unxz -c derekovecs.tar.xz | docker load
+    - echo "$DOCKER_HUB_PASSWORD" | docker login -u "$DOCKER_HUB_USERNAME" --password-stdin
+    - docker push idscorpuslinguistics/derekovecs:$VID
+  dependencies:
+    - build-docker
+  environment:
+    name: production