90 lines
3.6 KiB
Makefile
90 lines
3.6 KiB
Makefile
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# ── Configuration ─────────────────────────────────────────────────────────────
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REGISTRY := code.nochebuena.dev/einherjar/spa-server
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BASE_IMAGE := alpine:3.21
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# ── Git metadata ──────────────────────────────────────────────────────────────
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BRANCH := $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null || echo unknown)
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SHA := $(shell git rev-parse --short HEAD 2>/dev/null || echo unknown)
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# Highest semver tag pointing at HEAD; falls back to the most recent reachable tag.
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_TAG_AT_HEAD := $(shell git tag --points-at HEAD 2>/dev/null | sort -V | tail -1)
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VERSION := $(if $(_TAG_AT_HEAD),$(_TAG_AT_HEAD),$(shell git describe --tags --abbrev=0 2>/dev/null || echo v0.0.0))
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# ── Branch suffix ─────────────────────────────────────────────────────────────
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# main → (none)
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# develop → -dev-<sha>
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# release/* → -qa-<sha>
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# other → -dev-<sha>
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#
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# Note: case/esac cannot be used inside $(shell) — the pattern delimiters ")"
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# are mistaken by Make's parser for the closing paren of the function call.
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# if/elif is used instead.
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BRANCH_SUFFIX := $(shell \
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b='$(BRANCH)'; s='$(SHA)'; \
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if [ "$$b" = "main" ]; then \
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echo ""; \
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elif [ "$$b" = "develop" ]; then \
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echo "-dev-$$s"; \
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elif echo "$$b" | grep -q "^release/"; then \
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echo "-qa-$$s"; \
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else \
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echo "-dev-$$s"; \
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fi)
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# ── Image tags ────────────────────────────────────────────────────────────────
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VERSIONED_TAG := $(REGISTRY):$(VERSION)$(BRANCH_SUFFIX)
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LATEST_TAG := $(if $(filter main,$(BRANCH)),$(REGISTRY):latest,)
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ALL_TAGS := $(strip $(VERSIONED_TAG) $(LATEST_TAG))
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TAG_FLAGS := $(foreach t,$(ALL_TAGS),--tag $(t) )
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# ── Targets ───────────────────────────────────────────────────────────────────
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.DEFAULT_GOAL := dry-run
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.PHONY: dry-run build push release help
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## dry-run : show what would be built and pushed — no side effects.
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dry-run:
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@echo ""
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@echo " Registry : $(REGISTRY)"
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@echo " Branch : $(BRANCH)"
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@echo " SHA : $(SHA)"
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@echo " Version : $(VERSION)"
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@echo ""
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@echo " Tags:"
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@$(foreach t,$(ALL_TAGS),echo " $(t)";)
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@echo ""
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@echo " Build args:"
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@echo " VERSION = $(VERSION)"
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@echo " GIT_SHA = $(SHA)"
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@BASE=$$(docker inspect --format='{{index .RepoDigests 0}}' $(BASE_IMAGE) 2>/dev/null | head -1); \
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echo " BASE_DIGEST = $${BASE:-(not resolved — run: docker pull $(BASE_IMAGE))}"
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@echo ""
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## build : build the image with all computed tags and OCI labels.
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build:
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docker build \
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$(TAG_FLAGS) \
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--build-arg VERSION=$(VERSION) \
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--build-arg GIT_SHA=$(SHA) \
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--build-arg BASE_DIGEST=$$(docker inspect --format='{{index .RepoDigests 0}}' $(BASE_IMAGE) 2>/dev/null | head -1) \
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.
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## push : push all computed tags to the registry.
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push:
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@for tag in $(ALL_TAGS); do \
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echo "→ pushing $$tag"; \
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docker push $$tag || exit 1; \
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done
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## release : build then push.
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release: build push
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## help : list available targets.
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help:
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@grep -E '^## ' Makefile | sed 's/^## / /'
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