Arrange Dockerfile

.dockerignore

+.git
+*~
+.env
+*.sqlite3
+*.pyc

.gitlab-ci.yml

+include:
+  - template: Auto-DevOps.gitlab-ci.yml
+
+build:
+  script:
+    - set -x
+    - |
+      if [[ -z "$CI_COMMIT_TAG" ]]; then
+        export CI_APPLICATION_REPOSITORY=${CI_APPLICATION_REPOSITORY:-$CI_REGISTRY_IMAGE/$CI_COMMIT_REF_SLUG}
+        export CI_APPLICATION_TAG=${CI_APPLICATION_TAG:-$CI_COMMIT_SHA}
+      else
+        export CI_APPLICATION_REPOSITORY=${CI_APPLICATION_REPOSITORY:-$CI_REGISTRY_IMAGE}
+        export CI_APPLICATION_TAG=${CI_APPLICATION_TAG:-$CI_COMMIT_TAG}
+      fi
+    - netstat -r -n
+    - cat /etc/resolv.conf
+    - nslookup www.google.com
+    - wget -O /tmp/index.html https://www.google.cat
+    - sh -x /build/build.sh

Dockerfile

@@ -2,7 +2,6 @@ FROM python:3.7-alpine
 
 ARG dev_packages="gcc g++ libc-dev libxml2-dev libxslt-dev postgresql-dev openldap-dev"
 
-
 RUN mkdir -pv /app
 WORKDIR /app
 
@@ -20,7 +19,6 @@ RUN apk update && \
     apk del ${dev_packages} && \
     rm -fr /root/.cache
 
-
 ENV DJANGO_STATIC_ROOT=/static
 ENV DJANGO_MEDIA_ROOT=/media