Check size of image in bytes

2 files changed, 15 insertions, 0 deletions

diff --git a/.gitlab/test.yml b/.gitlab/test.yml
index 5059269..19ad6d9 100644
--- a/.gitlab/test.yml
+++ b/.gitlab/test.yml
@@ -8,11 +8,13 @@ size:
   timeout: 3 minutes
   variables:
     GIT_STRATEGY: none
+    IMAGE_NAME: $TMP_IMAGE
   script:
     - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
     - docker pull $TMP_IMAGE
     - docker image ls $TMP_IMAGE
     - docker image inspect $TMP_IMAGE
+    - bin/docker-size
 
 lint:
   stage: test
diff --git a/bin/docker-size b/bin/docker-size
new file mode 100755
index 0000000..37a3da1
--- /dev/null
+++ b/bin/docker-size
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -e
+
+cd "$(dirname "$0")/.."
+
+IMAGE_NAME=${IMAGE_NAME:-$(basename "$PWD"):latest}
+MAX_SIZE=2684354560
+CURRENT_SIZE=$(docker image inspect "$IMAGE_NAME" --format='{{.Size}}')
+
+echo "Maximum (bytes): $MAX_SIZE"
+echo "Current (bytes): $CURRENT_SIZE"
+test "$MAX_SIZE" -gt "$CURRENT_SIZE"