chore: run go build in docker

Author: christophwitzko

Dockerfile

@@ -1,8 +1,17 @@
-# Obtain latest ca-certificates
-FROM alpine:latest as certs
-RUN apk --update add ca-certificates
+FROM golang:alpine AS builder
+ARG VERSION
+
+RUN apk update && apk add --no-cache git ca-certificates && update-ca-certificates
+
+WORKDIR $GOPATH/src/semantic-release
+COPY . .
+
+RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -a --installsuffix cgo -ldflags="-extldflags \'-static\' -s -w -X main.SRVERSION=$VERSION" -o /go/bin/semantic-release ./cmd/semantic-release/
+
 
 FROM scratch
-ADD out/semantic-release /usr/local/bin/release
-COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-CMD ["release"]
+
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=builder /go/bin/semantic-release /
+
+ENTRYPOINT ["/semantic-release"]