diff --git a/Makefile b/Makefile
index 25e9ba1..dfbd47b 100644
--- a/Makefile
+++ b/Makefile
@@ -12,10 +12,18 @@ VALIDATOR := $(PYTHON) tools/validate_content.py
 GO ?= go
 TEMPL ?= templ
 
+# The runtime image is distroless/static (deploy/Dockerfile): no libc, no
+# dynamic loader. Everything the server needs is pure Go (modernc.org/sqlite),
+# so a static binary is buildable and is what the container can actually exec.
+# Without this the build host's cgo links the nix glibc loader and the container
+# fails with "exec /usr/bin/resume-server: no such file or directory".
+CGO_ENABLED ?= 0
+
 BIN := bin
 DIST := dist
 
-.PHONY: build dist generate dev test validate validate-self-test fmt vet clean help
+.PHONY: build dist generate dev test validate validate-self-test fmt vet clean help \
+        corpus corpus-sync corpus-rebuild corpus-audit corpus-verify corpus-demo corpus-test
 
 help:
 	@echo "make build            templ generate, compile bin/, no dist"
@@ -26,11 +34,19 @@ help:
 	@echo "make validate         validate content/** front-matter against the frozen schema"
 	@echo "make fmt vet          gofmt / go vet over cmd and internal"
 	@echo "make clean            remove bin/ and dist/"
+	@echo ""
+	@echo "corpus (Phase 4, python3 -m corpus.cli):"
+	@echo "make corpus           rebuild the corpus from content/ (drops the collection)"
+	@echo "make corpus-sync      incremental update; only changed documents are re-embedded"
+	@echo "make corpus-audit     freshness + drift audit (exit 1 on findings)"
+	@echo "make corpus-verify    check the index against content/ and Qdrant"
+	@echo "make corpus-demo      same query with and without an area filter"
+	@echo "make corpus-test      corpus unit tests (no container, no network)"
 
 build: generate
 	@mkdir -p $(BIN)
-	$(GO) build -trimpath -buildvcs=false -o $(BIN)/resume-build ./cmd/build
-	$(GO) build -trimpath -buildvcs=false -o $(BIN)/resume-server ./cmd/server
+	CGO_ENABLED=$(CGO_ENABLED) $(GO) build -trimpath -buildvcs=false -o $(BIN)/resume-build ./cmd/build
+	CGO_ENABLED=$(CGO_ENABLED) $(GO) build -trimpath -buildvcs=false -o $(BIN)/resume-server ./cmd/server
 
 dist: build
 	@$(BIN)/resume-build --dist $(DIST)
@@ -57,5 +73,34 @@ fmt:
 vet:
 	@$(GO) vet ./...
 
+# -- corpus (Phase 4, docs/phase-4-corpus.md) --------------------------------
+#
+# The corpus is data, not a build artefact: it lives in data/corpus/ (gitignored)
+# and in Qdrant. RESUME_QDRANT_URL defaults to http://127.0.0.1:6333 and
+# RESUME_EMBED_PROVIDER defaults to local-hashing; production sets both in the
+# environment, never in this file.
+
+CORPUS := $(PYTHON) -m corpus.cli
+
+corpus: corpus-rebuild
+
+corpus-rebuild:
+	@$(CORPUS) rebuild
+
+corpus-sync:
+	@$(CORPUS) sync
+
+corpus-audit:
+	@$(CORPUS) audit --fail-on-findings
+
+corpus-verify:
+	@$(CORPUS) verify
+
+corpus-demo:
+	@$(CORPUS) demo-filter --query "distributed audio endpoints" --area edge
+
+corpus-test:
+	@$(PYTHON) -m unittest discover -s corpus/tests -t .
+
 clean:
 	@rm -rf $(BIN) $(DIST)
diff --git a/deploy/compose.yml b/deploy/compose.yml
index d59b037..53bdc65 100644
--- a/deploy/compose.yml
+++ b/deploy/compose.yml
@@ -12,7 +12,14 @@
 #
 # `curl http://127.0.0.1:8096/healthz` must answer with static ready.
 
-name: ai-resume
+# The compose project name is deliberately not `ai-resume`: /home/sam/deployment/
+# ai-resume on .13 already runs a compose project by that name (backend + db on
+# the ai-mesh network). Sharing the name would make this site's containers show
+# up as orphans in that project and vice versa, so anything running `compose
+# down --remove-orphans` under either project could stop the other. The image
+# tag stays ai-resume:local (Phase 3 fixes it); only the project namespace is
+# distinct.
+name: ai-resume-site
 
 services:
   resume:
diff --git a/deploy/deploy.sh b/deploy/deploy.sh
index 60f75c4..e1939c9 100755
--- a/deploy/deploy.sh
+++ b/deploy/deploy.sh
@@ -38,7 +38,9 @@
 
 set -Eeuo pipefail
 
-APP=ai-resume
+APP=ai-resume                  # image tag (fixed by Phase 3 §3.2)
+PROJECT=ai-resume-site         # compose project; distinct from the older
+                               # /home/sam/deployment/ai-resume project on .13
 PORT=8096
 HEALTH_PATH=/healthz
 
@@ -92,7 +94,7 @@ done
 
 # ---------------------------------------------------------------- helpers ---
 
-compose() { docker compose -f "$COMPOSE" -p "$APP" "$@"; }
+compose() { docker compose -f "$COMPOSE" -p "$PROJECT" "$@"; }
 
 current_target()  { readlink -- "$CURRENT" 2>/dev/null || true; }
 previous_target() { readlink -- "$PREVIOUS" 2>/dev/null || true; }