Use prebuilt image for CI

.gitlab-ci.yml

@@ -2,15 +2,12 @@ stages:
   - build
   - deploy
 
-image: debian:latest
+image: registry.gitlab.com/fnux/ungleich-images/staticcms-ci:latest
 variables:
   BUILDDIR: "build/"
 
 build:
   stage: build
-  before_script:
-    - apt-get update
-    - apt-get install -y make lektor imagemagick
   script:
     - make build
   artifacts:
@@ -26,9 +23,6 @@ deploy:
     name: production
     url: https://ungleich.ch/
   before_script:
-    # Install dependencies
-    - apt-get update
-    - apt-get install -y make openssh-client rsync
     # Configure the SSH Agent
     - eval $(ssh-agent -s)
     - echo "$CD_SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null

Dockerfile

@@ -0,0 +1,7 @@
+# This image used for CI.
+
+FROM debian:latest
+MAINTAINER Timothée Floure <timothee.floure@ungleich.ch>
+
+RUN apt-get update
+RUN apt-get install -y make lektor imagemagick openssh-client rsync