Remove -a -installsuffix cgo , not needed

Dockerfile

@@ -1,6 +1,6 @@
 FROM golang:1.27-alpine AS builder
 
-ARG VERSION=dev # maintained in build.sh
+ARG VERSION=dev
 ARG GIT_SHA=0
 
 WORKDIR /build
@@ -9,11 +9,11 @@ COPY go.mod ./
 
 COPY index.html.tmpl main.go ./
 
-RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-X main.version=${VERSION}-${GIT_SHA}" -a -installsuffix cgo -o beam .
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags "-X main.version=${VERSION}-${GIT_SHA}" -o beam .
 
 FROM alpine:latest
 
-ARG VERSION=0.1.0
+ARG VERSION=dev
 ARG GIT_SHA=dev
 
 LABEL org.opencontainers.image.version="${VERSION}"