Initial version new build pattern

scripts/kaniko-image-build

@@ -0,0 +1,53 @@
+#!/usr/bin/env sh
+
+set -e
+
+if [ -z "$1" ] || [ ! -d "$1" ]; then
+    echo "Please supply an image that you want to build as an argument"
+    echo "Valid images are:"
+    ls -d -- */
+    exit 1
+fi
+
+IMAGE_BASE=${CI_REGISTRY_IMAGE:-frontend-build-images}
+IMAGE_NAME=$(echo "$1" | sed "s#/##g")
+COMMIT_REF=${CI_COMMIT_REF_NAME:-unstable}
+IMAGE_TAG=$(cat "$IMAGE_NAME/VERSION")
+
+if [ "$COMMIT_REF" = "$CI_DEFAULT_BRANCH" ]; then
+    DOCKER_IMAGE="$IMAGE_BASE/$IMAGE_NAME:$IMAGE_TAG"
+else
+    IMAGE_POSTFIX=${CI_COMMIT_SHORT_SHA:-unstable}
+    DOCKER_IMAGE="$IMAGE_BASE/unstable/$IMAGE_NAME:$IMAGE_TAG-$IMAGE_POSTFIX"
+fi
+
+KANIKO_ARGS=${KANIKO_ARGS:-}
+
+if [ "$CI" = "true" ]; then
+    echo "Running on CI, so we check if the image already exists"
+    if crane manifest "$DOCKER_IMAGE" >/dev/null; then
+        echo "Image $DOCKER_IMAGE already exists, skip building"
+        exit 0
+    fi
+else
+    echo "Not running on CI, so not pushing"
+    KANIKO_ARGS="$KANIKO_ARGS --no-push"
+fi
+
+echo "Building image $DOCKER_IMAGE"
+
+/kaniko/executor \
+  --context "$IMAGE_NAME" \
+  --dockerfile "$IMAGE_NAME/Dockerfile" \
+  --destination "$DOCKER_IMAGE" \
+  --single-snapshot \
+  $KANIKO_ARGS
+
+if [ "$CI" = "true" ]; then
+    echo "Running on CI, so we push the built image"
+    crane push image.tar "$DOCKER_IMAGE"
+    if [ "$COMMIT_REF" = "$CI_DEFAULT_BRANCH" ]; then
+      echo "Tagging $DOCKER_IMAGE as latest"
+      crane tag "$DOCKER_IMAGE" latest
+    fi
+fi