Fix tag describe in makefile (#65)

* Fix tag describe in makefile

* Use build directive from makefile

Author: waybackarchiver

Dockerfile

@@ -4,7 +4,7 @@ FROM golang:1.18 as build
 WORKDIR /usr/src/wireproxy
 COPY . .
 
-RUN CGO_ENABLED=0 go build ./cmd/wireproxy
+RUN make
 
 # Now copy it into our base image.
 FROM gcr.io/distroless/static-debian11:nonroot

Makefile

@@ -1,12 +1,14 @@
 export GO ?= go
+export CGO_ENABLED = 0
+
+TAG := $(shell git describe --always --tags $(git rev-list --tags --max-count=1) --match v*)
 
 .PHONY: all
 all: wireproxy
 
 .PHONY: wireproxy
 wireproxy:
-	tag="$$(git describe --tag 2>/dev/null)" && \
-	${GO} build -ldflags "-X 'main.version=$$tag'" ./cmd/wireproxy
+	${GO} build -trimpath -ldflags "-s -w -X 'main.version=${TAG}'" ./cmd/wireproxy
 
 .PHONY: clean
 clean: