Add freebsd-cross-build image

.gitlab-ci.yml

@@ -30,6 +30,20 @@ signal-server:
     - echo "docker pull ${CI_REGISTRY_IMAGE}/signal-server:${VERSION}"
   allow_failure: true
 
+freebsd-cross-build:
+  image: docker:20.10.0
+  stage: build
+  script:
+    - apk add git
+    - git clone https://github.com/wezm/freebsd-cross-build.git
+    - cd freebsd-cross-build
+    - VERSION=$(git rev-parse --short=8 HEAD)
+    - docker login -u gitlab-ci-token -p ${CI_JOB_TOKEN} ${CI_REGISTRY}
+    - docker build -t ${CI_REGISTRY_IMAGE}/${CI_JOB_NAME}:${VERSION} .
+    - docker push ${CI_REGISTRY_IMAGE}/${CI_JOB_NAME}:${VERSION}
+    - if [[ "${CI_COMMIT_REF_SLUG}" == "main" ]]; then docker tag ${CI_REGISTRY_IMAGE}/${CI_JOB_NAME}:${VERSION} ${CI_REGISTRY_IMAGE}/${CI_JOB_NAME}:latest && docker push ${CI_REGISTRY_IMAGE}/${CI_JOB_NAME}:latest; fi
+    - echo "docker pull ${CI_REGISTRY_IMAGE}/${CI_JOB_NAME}:${VERSION}"
+
 test-helper:
   <<: *build
   variables: