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base-images/build.sh

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#!/usr/bin/env bash
set -euo pipefail
# Defaults
default_registry="git.luke-else.co.uk"
default_username="luke-else"
# Use env vars if set, otherwise fallback to defaults
registry="${CONTAINER_REGISTRY:-$default_registry}"
username="${CONTAINER_REGISTRY_USERNAME:-$default_username}"
# Parse args: only push when -p or --push is provided
push=false
usage() { echo "Usage: $0 [--push|-p]"; }
while [ "$#" -gt 0 ]; do
case "$1" in
-p|--push) push=true; shift ;;
-h|--help) usage; exit 0 ;;
*) echo "Unknown option: $1"; usage; exit 1 ;;
esac
done
echo "Registry: $registry"
echo "Username: $username"
echo "Push enabled: $push"
# Build 'base' and 'lab' groups first (including subdirectories)
for group in base lab; do
if [ -d "$group" ]; then
echo "Processing group: $group"
find "$group" -type f -iname 'Dockerfile' -exec dirname {} \; | sed 's|^\./||' | sort -u | while read -r dir; do
tag="$registry/$username/$dir:latest"
echo "Building $dir -> $tag"
docker build -t "$tag" "$dir"
if [ "$push" = true ]; then
docker push "$tag"
else
echo "Push skipped for $tag"
fi
done
else
echo "Skipping missing group: $group"
fi
done
# Then build everything else (exclude base and lab)
echo "Processing remaining Dockerfiles"
find . -type f -iname 'Dockerfile' -exec dirname {} \; | sed 's|^\./||' | sort -u | grep -Ev '^(base|lab)(/|$)' | while read -r dir; do
tag="$registry/$username/$dir:latest"
echo "Building $dir -> $tag"
docker build -t "$tag" "$dir"
if [ "$push" = true ]; then
docker push "$tag"
else
echo "Push skipped for $tag"
fi
done