huskies: merge 1118 story Automate per-project docker image builds (huskies-project-base + per-stack overlays)

script/build-project-images

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Build all project images in dependency order:
+#   huskies  →  huskies-project-base  →  huskies-project-<stack> (one per stack fragment)
+#
+# Run this after `script/docker_rebuild` or whenever you add a new stack.
+# Safe to re-run: each step re-tags the image with the latest layers.
+
+cd "$(dirname "$0")/.."
+
+if [[ -f .env ]]; then
+    set -a
+    source .env
+    set +a
+fi
+
+CACHE_FLAG=""
+if [[ "${1:-}" == "--no-cache" ]]; then
+    CACHE_FLAG="--no-cache"
+fi
+
+echo "==> Building huskies"
+docker build $CACHE_FLAG -t huskies -f docker/Dockerfile .
+
+echo "==> Building huskies-project-base"
+docker build $CACHE_FLAG -t huskies-project-base -f docker/Dockerfile.base .
+
+for fragment in docker/stacks/*/Dockerfile.fragment; do
+    stack=$(basename "$(dirname "$fragment")")
+    image="huskies-project-${stack}"
+    echo "==> Building ${image}"
+    (printf 'FROM huskies-project-base\n'; cat "$fragment") \
+        | docker build $CACHE_FLAG -t "$image" -
+done
+
+echo "All project images built."

script/docker_rebuild

@@ -24,4 +24,6 @@ docker compose -f docker/docker-compose.yml down
 docker compose -f docker/docker-compose.yml build $CACHE_FLAG
 docker compose -f docker/docker-compose.yml up -d
 
+script/build-project-images $CACHE_FLAG
+
 echo "Rebuild complete. Logs: docker compose -f docker/docker-compose.yml logs -f"