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SHELL := /bin/sh
IMAGE ?= kj-diagramming:latest
BUILD_DIR := excalidraw-app/build
PROJECT_MARKER := excalidraw-app/App.tsx
CONTAINER_NAME ?= kj-diagramming
HOST_PORT ?= 8000
CONTAINER_PORT ?= 8000
CONTAINER_ENGINE := $(shell if command -v docker >/dev/null 2>&1; then printf '%s' docker; elif command -v podman >/dev/null 2>&1; then printf '%s' podman; fi)
.PHONY: help build clean container serve stop check-yarn check-container-engine check-build-dir
help:
@echo "targets:"
@echo " make build build static assets into $(BUILD_DIR)"
@echo " make clean rm $(BUILD_DIR) (with checks)"
@echo " make container build kj-diagramming image"
@echo " make serve run $(CONTAINER_NAME) in daemon mode"
@echo " make stop stop $(CONTAINER_NAME)"
check-yarn:
@if ! command -v yarn >/dev/null 2>&1; then \
echo "warning: yarn is not installed."; \
echo "install yarn to use: make build"; \
fi
check-container-engine:
@if [ -z "$(CONTAINER_ENGINE)" ]; then \
echo "error: neither docker nor podman is installed."; \
echo "install docker or podman, then run: make container"; \
exit 1; \
fi
@echo "using container engine: $(CONTAINER_ENGINE)"
check-build-dir:
@if [ ! -d "$(BUILD_DIR)" ]; then \
echo "error: $(BUILD_DIR) is missing."; \
echo "run: make build"; \
exit 1; \
fi
build:
@if ! command -v yarn >/dev/null 2>&1; then \
echo "error: yarn is not installed."; \
echo "install yarn, then run: make build"; \
exit 1; \
fi
@echo "building static assets into $(BUILD_DIR)..."
@NODE_ENV=production yarn build:app:docker
clean:
@if [ -f "$(PROJECT_MARKER)" ] || [ -d "$(BUILD_DIR)" ]; then \
if [ -d "$(BUILD_DIR)" ]; then \
echo "removing $(BUILD_DIR)..."; \
rm -rf "$(BUILD_DIR)"; \
else \
echo "nothing to clean: $(BUILD_DIR) does not exist."; \
fi; \
else \
echo "safety check failed: not in kj-diagramming repo root and $(BUILD_DIR) was not found."; \
echo "refusing to run rm."; \
exit 1; \
fi
container: check-yarn check-container-engine clean build
@echo "building image $(IMAGE)..."
@$(CONTAINER_ENGINE) build -f Dockerfile -t "$(IMAGE)" .
serve: check-container-engine
@set -eu; \
engine="$(CONTAINER_ENGINE)"; \
name="$(CONTAINER_NAME)"; \
image="$(IMAGE)"; \
host_port="$(HOST_PORT)"; \
container_port="$(CONTAINER_PORT)"; \
if ! $$engine image inspect "$$image" >/dev/null 2>&1; then \
echo "error: image $$image was not found."; \
echo "run: make container"; \
exit 1; \
fi; \
if $$engine ps --format '{{.Names}}' | grep -Fxq "$$name"; then \
echo "error: container $$name is already running."; \
echo "run: make stop"; \
exit 1; \
fi; \
if command -v ss >/dev/null 2>&1; then \
while ss -ltn "sport = :$$host_port" 2>/dev/null | grep -q LISTEN; do \
host_port=$$((host_port + 1)); \
done; \
elif command -v lsof >/dev/null 2>&1; then \
while lsof -nP -iTCP:$$host_port -sTCP:LISTEN >/dev/null 2>&1; do \
host_port=$$((host_port + 1)); \
done; \
elif command -v netstat >/dev/null 2>&1; then \
while netstat -ltn 2>/dev/null | awk '{print $$4}' | grep -Eq "[:.]$$host_port$$"; do \
host_port=$$((host_port + 1)); \
done; \
else \
echo "warning: no port-check utility found (ss, lsof, netstat)."; \
echo "trying host port $$host_port without pre-check."; \
fi; \
echo "starting $$name on http://localhost:$$host_port"; \
$$engine run -d --rm --name "$$name" -p "$$host_port:$$container_port" "$$image" >/dev/null; \
echo "started $$name (http://localhost:$$host_port)"
stop: check-container-engine
@if $(CONTAINER_ENGINE) ps --format '{{.Names}}' | grep -Fxq "$(CONTAINER_NAME)"; then \
echo "stopping $(CONTAINER_NAME)..."; \
$(CONTAINER_ENGINE) stop "$(CONTAINER_NAME)" >/dev/null; \
echo "stopped $(CONTAINER_NAME)."; \
else \
echo "container $(CONTAINER_NAME) is not running."; \
fi
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