wormhole/scripts/check-docker-pin.sh

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#!/usr/bin/env bash
# This script is checks to that all our Docker images are pinned to a specific SHA256 hash
#
# References as to why...
# - https://nickjanetakis.com/blog/docker-tip-18-please-pin-your-docker-image-versions
# - https://snyk.io/blog/10-docker-image-security-best-practices/ (Specifically: USE FIXED TAGS FOR IMMUTABILITY)
#
# Explaination of regex ignore choices
# - We ignore sha256 because it suggests that the image dep is pinned
# - We ignore scratch because it's literally the docker base image
# - We ignore solana AS (builder|ci_tests) because it's a relative reference to another FROM call
#
git ls-files | grep "Dockerfile*" | xargs grep -s "FROM" | egrep -v 'sha256|scratch|solana|aptos|base AS (application|base|builder|ci_tests|tests)'
if [ $? -eq 0 ]; then
echo "[!] Unpinned docker files" >&2
exit 1
else
echo "[+] No unpinned docker files"
fi