update

.gitlab-ci.yml

@@ -1,17 +1,10 @@
-image: nvidia/opengl:devel
+image: rikorose/gcc-cmake:latest
 
 stages:
   - build
   - pages
 
 cache:
-  key: apt-cache
-  paths:
-    - apt-cache/
-
-before_script:
-  - export APT_CACHE_DIR=`pwd`/apt-cache && mkdir -pv $APT_CACHE_DIR
-  - apt-get update -yq && apt-get -o dir::cache::archives="$APT_CACHE_DIR" install -y build-essential cmake
 
 build:
   stage: build