develop svelte (and other node crap) in containers

Makefile

help:
	@grep -E '^[a-z.A-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

# test build requirements
REQUIRED_BINS := podman
$(foreach bin,$(REQUIRED_BINS),\
    $(if $(shell command -v $(bin) 2> /dev/null),$(),$(error please install missing build requirement: `$(bin)`)))

.ONESHELL:
# this will be evaluated to set the shell, even when not called explicitly
shell: $(eval SHELL:=/bin/bash)

all: help

deps: ## install dependencies
	cd frontend &&                     \
	podman run                         \
	--interactive                      \
	--tty                              \
	--rm                               \
	--volume .:/work                   \
	--workdir /work                    \
	docker.io/library/node:16          \
	npm install

run: deps ## run development server
	cd frontend &&                     \
	podman run                         \
	--interactive                      \
	--tty                              \
	--rm                               \
	--volume .:/work                   \
	--workdir /work                    \
	--env HOST=0.0.0.0                 \
	--publish 127.0.0.1:5000:5000      \
	docker.io/library/node:16          \
	npm run dev

build: deps ## build production site
	cd frontend &&                     \
	podman run                         \
	--interactive                      \
	--tty                              \
	--rm                               \
	--volume .:/work                   \
	--workdir /work                    \
	docker.io/library/node:16          \
	npm run build