Build docker images from CI

1 files changed, 24 insertions, 0 deletions

diff --git a/.gitlab/build.sh b/.gitlab/build.sh
new file mode 100755
index 00000000..cc63075d
--- /dev/null
+++ b/.gitlab/build.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+#
+# Build script for the gitlab ci.
+#
+# usage: build.sh DIR [TAG]
+#
+# Will run docker build in DIR with DIR/Dockerfile or
+# DIR/TAG.dockerfile if TAG is given.
+#
+# Assumes CI specific environment variables to be set:
+# CI_REGISTRY_IMAGE
+# LAST_COMMIT (fetched from the gitlab api in before_script hook)
+#
+
+DIR=$1
+TAG=${2:-latest}
+DOCKERFILE=docker/${DIR}/${2:-Dockerfile}${2:+.dockerfile}
+TARGET=${CI_REGISTRY_IMAGE}/${DIR}:${TAG}
+
+if git diff "$LAST_COMMIT" HEAD --name-only | egrep "($DOCKERFILE|^.gitlab)"; then
+  docker login -u gitlab-ci-token -p "$CI_JOB_TOKEN" "$CI_REGISTRY"
+  docker build -t "$TARGET" -f "$DOCKERFILE" docker/
+  docker push "$TARGET"
+fi