CI: Add cmake to build

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5f82e58e52d42680d10b0597e3902160020e4586..9e9107ce370741d86570e970fb59a5e6731ea28d 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -194,6 +194,7 @@ amd64:
   variables: &release-variables
     MIX_ENV: prod
   before_script: &before-release
+  - apt install cmake -y
   - echo "import Mix.Config" > config/prod.secret.exs
   - mix local.hex --force
   - mix local.rebar --force